feat: move project to crates

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/como_api/Cargo.toml

@@ -0,0 +1,34 @@
+[package]
+name = "como_api"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+como_gql.workspace = true
+como_core.workspace = true
+como_domain.workspace = true
+como_infrastructure.workspace = true
+como_auth.workspace = true
+
+async-trait.workspace = true
+async-graphql.workspace = true
+async-graphql-axum.workspace = true
+axum.workspace = true
+axum-extra.workspace = true
+axum-sessions.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tokio.workspace = true
+uuid.workspace = true
+sqlx.workspace = true
+anyhow.workspace = true
+tracing.workspace = true
+async-sqlx-session.workspace = true
+
+zitadel = { version = "3.3.1", features = ["axum"] }
+tower = "0.4.13"
+tower-http = { version = "0.4.0", features = ["cors", "trace"] }
+oauth2 = "4.4.0"
+openidconnect = "3.0.0"

crates/como_api/src/controllers/auth.rs

@@ -0,0 +1,160 @@
+use std::fmt::Display;
+
+use crate::router::AppState;
+
+use axum::extract::{FromRef, FromRequestParts, Query, State};
+
+use axum::headers::authorization::Basic;
+use axum::headers::{Authorization, Cookie};
+use axum::http::request::Parts;
+use axum::http::StatusCode;
+
+use axum::response::{ErrorResponse, IntoResponse, Redirect};
+use axum::routing::get;
+use axum::{async_trait, Json, RequestPartsExt, Router, TypedHeader};
+
+use como_domain::users::User;
+use como_infrastructure::register::ServiceRegister;
+
+use serde::Deserialize;
+use serde_json::json;
+
+#[derive(Debug, Deserialize)]
+pub struct ZitadelAuthParams {
+    #[allow(dead_code)]
+    return_url: Option<String>,
+}
+
+trait AnyhowExtensions<T, E>
+where
+    E: Display,
+{
+    fn into_response(self) -> Result<T, ErrorResponse>;
+}
+impl<T, E> AnyhowExtensions<T, E> for anyhow::Result<T, E>
+where
+    E: Display,
+{
+    fn into_response(self) -> Result<T, ErrorResponse> {
+        match self {
+            Ok(o) => Ok(o),
+            Err(e) => {
+                tracing::error!("failed with anyhow error: {}", e);
+                Err(ErrorResponse::from((
+                    StatusCode::INTERNAL_SERVER_ERROR,
+                    Json(json!({
+                        "status": "something",
+                    })),
+                )))
+            }
+        }
+    }
+}
+
+pub async fn zitadel_auth(
+    State(services): State<ServiceRegister>,
+) -> Result<impl IntoResponse, ErrorResponse> {
+    let url = services.auth_service.login().await.into_response()?;
+
+    Ok(Redirect::to(&url.to_string()))
+}
+
+#[derive(Debug, Deserialize)]
+#[allow(dead_code)]
+pub struct AuthRequest {
+    code: String,
+    state: String,
+}
+
+pub async fn login_authorized(
+    Query(query): Query<AuthRequest>,
+    State(services): State<ServiceRegister>,
+) -> Result<impl IntoResponse, ErrorResponse> {
+    let (headers, url) = services
+        .auth_service
+        .login_authorized(&query.code, &query.state)
+        .await
+        .into_response()?;
+
+    Ok((headers, Redirect::to(url.as_str())))
+}
+
+pub struct AuthController;
+
+impl AuthController {
+    pub async fn new_router(
+        _service_register: ServiceRegister,
+        app_state: AppState,
+    ) -> anyhow::Result<Router> {
+        Ok(Router::new()
+            .route("/zitadel", get(zitadel_auth))
+            .route("/authorized", get(login_authorized))
+            .with_state(app_state))
+    }
+}
+
+pub struct UserFromSession {
+    pub user: User,
+}
+
+pub static COOKIE_NAME: &str = "SESSION";
+
+#[async_trait]
+impl<S> FromRequestParts<S> for UserFromSession
+where
+    ServiceRegister: FromRef<S>,
+    S: Send + Sync,
+{
+    type Rejection = (StatusCode, &'static str);
+
+    async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
+        let services = ServiceRegister::from_ref(state);
+
+        let cookie: Option<TypedHeader<Cookie>> = parts.extract().await.unwrap();
+        let session_cookie = cookie.as_ref().and_then(|cookie| cookie.get(COOKIE_NAME));
+        if let None = session_cookie {
+            let basic: Option<TypedHeader<Authorization<Basic>>> = parts.extract().await.unwrap();
+
+            if let Some(basic) = basic {
+                let token = services
+                    .auth_service
+                    .login_token(basic.username(), basic.password())
+                    .await
+                    .into_response()
+                    .map_err(|_| {
+                        (
+                            StatusCode::INTERNAL_SERVER_ERROR,
+                            "could not get token from basic",
+                        )
+                    })?;
+
+                return Ok(UserFromSession {
+                    user: User { id: token },
+                });
+            }
+
+            return Err(anyhow::anyhow!("No session was found"))
+                .into_response()
+                .map_err(|_| (StatusCode::INTERNAL_SERVER_ERROR, "did not find a cookie"))?;
+        }
+
+        let session_cookie = session_cookie.unwrap();
+
+        // continue to decode the session cookie
+        let user = services
+            .auth_service
+            .get_user_from_session(session_cookie)
+            .await
+            .into_response()
+            .map_err(|_| {
+                (
+                    StatusCode::INTERNAL_SERVER_ERROR,
+                    "failed to decode session cookie",
+                )
+            })?;
+
+        Ok(UserFromSession {
+            user: User { id: user.id },
+        })
+    }
+}

crates/como_api/src/controllers/graphql.rs

@@ -0,0 +1,48 @@
+use super::auth::UserFromSession;
+use crate::router::AppState;
+
+use async_graphql::http::{playground_source, GraphQLPlaygroundConfig};
+use async_graphql::{EmptySubscription, Schema};
+use async_graphql_axum::{GraphQLRequest, GraphQLResponse};
+use axum::response::Html;
+use axum::{http::StatusCode, response::IntoResponse, routing::get, Extension, Router};
+
+use como_domain::user::ContextUserExt;
+use como_domain::Context;
+use como_gql::graphql::{ComoSchema, MutationRoot, QueryRoot};
+use como_infrastructure::register::ServiceRegister;
+use tower::ServiceBuilder;
+
+pub struct GraphQLController;
+
+impl GraphQLController {
+    pub fn new_router(service_register: ServiceRegister, state: AppState) -> Router {
+        let schema = Schema::build(QueryRoot, MutationRoot, EmptySubscription)
+            .data(service_register)
+            .finish();
+
+        Router::new()
+            .route("/", get(graphql_playground).post(graphql_handler))
+            .layer(ServiceBuilder::new().layer(Extension(schema)))
+            .with_state(state)
+    }
+}
+
+pub async fn graphql_handler(
+    user: UserFromSession,
+    schema: Extension<ComoSchema>,
+    req: GraphQLRequest,
+) -> Result<GraphQLResponse, StatusCode> {
+    let req = req.into_inner();
+    let req = req.data(user.user.clone());
+
+    let context = Context::new();
+    let context = context.set_user_id(user.user.id.clone());
+    let req = req.data(context);
+
+    Ok(schema.execute(req).await.into())
+}
+
+pub async fn graphql_playground() -> impl IntoResponse {
+    Html(playground_source(GraphQLPlaygroundConfig::new("/graphql")))
+}

crates/como_api/src/controllers/mod.rs

@@ -0,0 +1,2 @@
+pub mod auth;
+pub mod graphql;

crates/como_api/src/lib.rs

@@ -0,0 +1,3 @@
+mod controllers;
+pub mod router;
+pub mod zitadel;

crates/como_api/src/router.rs

@@ -0,0 +1,73 @@
+use std::env;
+
+use anyhow::Context;
+use axum::extract::FromRef;
+use axum::http::{HeaderValue, Method};
+use axum::Router;
+use como_infrastructure::register::ServiceRegister;
+use tower::ServiceBuilder;
+use tower_http::{cors::CorsLayer, trace::TraceLayer};
+
+use crate::controllers::auth::AuthController;
+use crate::controllers::graphql::GraphQLController;
+
+pub struct Api;
+
+impl Api {
+    pub async fn new(
+        port: u32,
+        cors_origin: &str,
+        service_register: ServiceRegister,
+    ) -> anyhow::Result<()> {
+        let app_state = AppState {
+            service_register: service_register.clone(),
+        };
+
+        let router = Router::new()
+            .nest(
+                "/auth",
+                AuthController::new_router(service_register.clone(), app_state.clone()).await?,
+            )
+            .nest(
+                "/graphql",
+                GraphQLController::new_router(service_register.clone(), app_state.clone()),
+            )
+            .layer(
+                ServiceBuilder::new()
+                    .layer(TraceLayer::new_for_http())
+                    .layer(
+                        CorsLayer::new()
+                            .allow_origin(
+                                cors_origin
+                                    .parse::<HeaderValue>()
+                                    .context("could not parse cors origin as header")?,
+                            )
+                            .allow_headers([axum::http::header::CONTENT_TYPE])
+                            .allow_methods([Method::GET, Method::POST, Method::OPTIONS])
+                            .allow_credentials(true),
+                    ),
+            );
+
+        let host = env::var("HOST").unwrap_or("0.0.0.0".to_string());
+
+        tracing::info!("running on: {host}:{}", port);
+
+        axum::Server::bind(&format!("{host}:{}", port).parse().unwrap())
+            .serve(router.into_make_service())
+            .await
+            .context("error while starting API")?;
+
+        Ok(())
+    }
+}
+
+#[derive(Clone)]
+pub struct AppState {
+    service_register: ServiceRegister,
+}
+
+impl FromRef<AppState> for ServiceRegister {
+    fn from_ref(input: &AppState) -> Self {
+        input.service_register.clone()
+    }
+}

crates/como_api/src/zitadel/client.rs

@@ -0,0 +1,67 @@
+use async_trait::async_trait;
+use oauth2::{basic::BasicClient, AuthUrl, ClientId, ClientSecret, RedirectUrl, TokenUrl};
+use std::{env, ops::Deref, sync::Arc};
+
+#[async_trait]
+pub trait OAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()>;
+}
+
+pub struct OAuth(Arc<dyn OAuthClient + Send + Sync + 'static>);
+
+impl OAuth {
+    pub fn new_zitadel() -> Self {
+        Self(Arc::new(ZitadelOAuthClient {
+            client: oauth_client(),
+        }))
+    }
+    pub fn new_noop() -> Self {
+        Self(Arc::new(NoopOAuthClient {}))
+    }
+}
+
+impl Deref for OAuth {
+    type Target = Arc<dyn OAuthClient + Send + Sync + 'static>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub struct NoopOAuthClient;
+
+#[async_trait]
+impl OAuthClient for NoopOAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+
+pub struct ZitadelOAuthClient {
+    client: BasicClient,
+}
+
+#[async_trait]
+impl OAuthClient for ZitadelOAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+
+fn oauth_client() -> BasicClient {
+    let client_id = env::var("CLIENT_ID").expect("Missing CLIENT_ID!");
+    let client_secret = env::var("CLIENT_SECRET").expect("Missing CLIENT_SECRET!");
+    let redirect_url = env::var("REDIRECT_URL").expect("missing REDIRECT_URL");
+
+    let auth_url = env::var("AUTH_URL").expect("missing AUTH_URL");
+
+    let token_url = env::var("TOKEN_URL").expect("missing TOKEN_URL");
+
+    BasicClient::new(
+        ClientId::new(client_id),
+        Some(ClientSecret::new(client_secret)),
+        AuthUrl::new(auth_url).unwrap(),
+        Some(TokenUrl::new(token_url).unwrap()),
+    )
+    .set_redirect_uri(RedirectUrl::new(redirect_url).unwrap())
+}

crates/como_api/src/zitadel/mod.rs

@@ -0,0 +1 @@
+

crates/como_auth/Cargo.toml

@@ -0,0 +1,30 @@
+[package]
+name = "como_auth"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap.workspace = true
+async-trait.workspace = true
+axum.workspace = true
+axum-extra.workspace = true
+axum-sessions.workspace = true
+serde.workspace = true
+uuid.workspace = true
+sqlx.workspace = true
+anyhow.workspace = true
+tracing.workspace = true
+async-sqlx-session.workspace = true
+
+zitadel = { version = "3.3.1", features = ["axum"] }
+tower = "0.4.13"
+tower-http = { version = "0.4.0", features = ["cors", "trace"] }
+oauth2 = "4.4.0"
+openidconnect = "3.0.0"
+
+[dev-dependencies]
+tokio.workspace = true
+pretty_assertions.workspace = true
+sealed_test.workspace = true

crates/como_auth/src/auth.rs

@@ -0,0 +1,128 @@
+use std::{ops::Deref, sync::Arc};
+
+use anyhow::Context;
+use async_trait::async_trait;
+use axum::http::{header::SET_COOKIE, HeaderMap};
+use oauth2::url::Url;
+
+use crate::{
+    introspection::IntrospectionService,
+    oauth::{OAuth, ZitadelConfig},
+    session::{SessionService, User},
+    AuthClap, AuthEngine,
+};
+
+#[async_trait]
+pub trait Auth {
+    async fn login(&self) -> anyhow::Result<Url>;
+    async fn login_token(&self, user: &str, password: &str) -> anyhow::Result<String>;
+    async fn login_authorized(&self, code: &str, state: &str) -> anyhow::Result<(HeaderMap, Url)>;
+    async fn get_user_from_session(&self, cookie: &str) -> anyhow::Result<User>;
+}
+
+#[derive(Clone)]
+pub struct AuthService(Arc<dyn Auth + Send + Sync + 'static>);
+
+impl AuthService {
+    pub async fn new(config: &AuthClap, session: SessionService) -> anyhow::Result<Self> {
+        match config.engine {
+            AuthEngine::Noop => Ok(Self::new_noop()),
+            AuthEngine::Zitadel => {
+                let oauth: OAuth = ZitadelConfig::try_from(config.zitadel.clone())?.into();
+                let introspection: IntrospectionService =
+                    IntrospectionService::new_zitadel(config).await?;
+
+                Ok(Self::new_zitadel(oauth, introspection, session))
+            }
+        }
+    }
+
+    pub fn new_zitadel(
+        oauth: OAuth,
+        introspection: IntrospectionService,
+        session: SessionService,
+    ) -> Self {
+        Self(Arc::new(ZitadelAuthService {
+            oauth,
+            introspection,
+            session,
+        }))
+    }
+
+    pub fn new_noop() -> Self {
+        Self(Arc::new(NoopAuthService {}))
+    }
+}
+
+impl Deref for AuthService {
+    type Target = Arc<dyn Auth + Send + Sync + 'static>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub struct ZitadelAuthService {
+    oauth: OAuth,
+    introspection: IntrospectionService,
+    session: SessionService,
+}
+pub static COOKIE_NAME: &str = "SESSION";
+
+#[async_trait]
+impl Auth for ZitadelAuthService {
+    async fn login(&self) -> anyhow::Result<Url> {
+        let authorize_url = self.oauth.authorize_url().await?;
+
+        Ok(authorize_url)
+    }
+    async fn login_authorized(&self, code: &str, _state: &str) -> anyhow::Result<(HeaderMap, Url)> {
+        let token = self.oauth.exchange(code).await?;
+        let user_id = self.introspection.get_id_token(token.as_str()).await?;
+        let cookie_value = self.session.insert_user("user", user_id.as_str()).await?;
+
+        let cookie = format!("{}={}; SameSite=Lax; Path=/", COOKIE_NAME, cookie_value);
+
+        let mut headers = HeaderMap::new();
+        headers.insert(SET_COOKIE, cookie.parse().unwrap());
+
+        Ok((
+            headers,
+            Url::parse("http://localhost:3000/dash/home")
+                .context("failed to parse login_authorized zitadel return url")?,
+        ))
+    }
+    async fn login_token(&self, _user: &str, password: &str) -> anyhow::Result<String> {
+        self.introspection.get_id_token(password).await
+    }
+    async fn get_user_from_session(&self, cookie: &str) -> anyhow::Result<User> {
+        match self.session.get_user(cookie).await? {
+            Some(u) => Ok(User { id: u }),
+            None => Err(anyhow::anyhow!("failed to find user")),
+        }
+    }
+}
+
+pub struct NoopAuthService {}
+
+#[async_trait]
+impl Auth for NoopAuthService {
+    async fn login(&self) -> anyhow::Result<Url> {
+        todo!()
+    }
+    async fn login_authorized(
+        &self,
+        _code: &str,
+        _state: &str,
+    ) -> anyhow::Result<(HeaderMap, Url)> {
+        todo!()
+    }
+
+    async fn login_token(&self, _user: &str, _password: &str) -> anyhow::Result<String> {
+        todo!()
+    }
+
+    async fn get_user_from_session(&self, _cookie: &str) -> anyhow::Result<User> {
+        todo!()
+    }
+}

crates/como_auth/src/introspection.rs

@@ -0,0 +1,159 @@
+use std::{ops::Deref, sync::Arc};
+
+use async_trait::async_trait;
+use axum::extract::FromRef;
+use oauth2::TokenIntrospectionResponse;
+use openidconnect::IntrospectionUrl;
+use zitadel::{
+    axum::introspection::IntrospectionStateBuilderError,
+    credentials::Application,
+    oidc::{
+        discovery::discover,
+        introspection::{introspect, AuthorityAuthentication},
+    },
+};
+
+use crate::AuthClap;
+
+#[async_trait]
+pub trait Introspection {
+    async fn get_user(&self) -> anyhow::Result<()>;
+    async fn get_id_token(&self, token: &str) -> anyhow::Result<String>;
+}
+
+pub struct IntrospectionService(Arc<dyn Introspection + Send + Sync + 'static>);
+impl IntrospectionService {
+    pub async fn new_zitadel(config: &AuthClap) -> anyhow::Result<Self> {
+        let res = IntrospectionStateBuilder::new(&config.zitadel.authority_url.clone().unwrap())
+            .with_basic_auth(
+                &config.zitadel.client_id.clone().unwrap(),
+                &config.zitadel.client_secret.clone().unwrap(),
+            )
+            .build()
+            .await?;
+
+        Ok(IntrospectionService(Arc::new(ZitadelIntrospection::new(
+            res,
+        ))))
+    }
+}
+
+impl Deref for IntrospectionService {
+    type Target = Arc<dyn Introspection + Send + Sync + 'static>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub struct ZitadelIntrospection {
+    state: IntrospectionState,
+}
+
+impl ZitadelIntrospection {
+    pub fn new(state: IntrospectionState) -> Self {
+        Self { state }
+    }
+}
+
+#[async_trait]
+impl Introspection for ZitadelIntrospection {
+    async fn get_user(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+    async fn get_id_token(&self, token: &str) -> anyhow::Result<String> {
+        let config = &self.state.config;
+        let res = introspect(
+            &config.introspection_uri,
+            &config.authority,
+            &config.authentication,
+            token,
+        )
+        .await?;
+
+        Ok(res
+            .sub()
+            .ok_or(anyhow::anyhow!("could not find a userid (sub) in token"))?
+            .to_string())
+    }
+}
+
+#[derive(Clone, Debug)]
+pub struct IntrospectionState {
+    pub(crate) config: IntrospectionConfig,
+}
+
+/// Configuration that must be inject into the axum application state. Used by the
+/// [IntrospectionStateBuilder](super::IntrospectionStateBuilder). This struct is also used to create the [IntrospectionState](IntrospectionState)
+#[derive(Debug, Clone)]
+pub struct IntrospectionConfig {
+    pub authority: String,
+    pub authentication: AuthorityAuthentication,
+    pub introspection_uri: IntrospectionUrl,
+}
+
+impl FromRef<IntrospectionState> for IntrospectionConfig {
+    fn from_ref(input: &IntrospectionState) -> Self {
+        input.config.clone()
+    }
+}
+
+pub struct IntrospectionStateBuilder {
+    authority: String,
+    authentication: Option<AuthorityAuthentication>,
+}
+
+/// Builder for [IntrospectionConfig]
+impl IntrospectionStateBuilder {
+    pub fn new(authority: &str) -> Self {
+        Self {
+            authority: authority.to_string(),
+            authentication: None,
+        }
+    }
+
+    pub fn with_basic_auth(
+        &mut self,
+        client_id: &str,
+        client_secret: &str,
+    ) -> &mut IntrospectionStateBuilder {
+        self.authentication = Some(AuthorityAuthentication::Basic {
+            client_id: client_id.to_string(),
+            client_secret: client_secret.to_string(),
+        });
+
+        self
+    }
+
+    #[allow(dead_code)]
+    pub fn with_jwt_profile(&mut self, application: Application) -> &mut IntrospectionStateBuilder {
+        self.authentication = Some(AuthorityAuthentication::JWTProfile { application });
+
+        self
+    }
+
+    pub async fn build(&mut self) -> Result<IntrospectionState, IntrospectionStateBuilderError> {
+        let authentication = self
+            .authentication
+            .clone()
+            .ok_or(IntrospectionStateBuilderError::NoAuthSchema)?;
+
+        let metadata = discover(&self.authority)
+            .await
+            .map_err(|source| IntrospectionStateBuilderError::Discovery { source })?;
+
+        let introspection_uri = metadata
+            .additional_metadata()
+            .introspection_endpoint
+            .clone()
+            .ok_or(IntrospectionStateBuilderError::NoIntrospectionUrl)?;
+
+        Ok(IntrospectionState {
+            config: IntrospectionConfig {
+                authority: self.authority.clone(),
+                introspection_uri: introspection_uri,
+                authentication: authentication,
+            },
+        })
+    }
+}

crates/como_auth/src/lib.rs

@@ -0,0 +1,242 @@
+use oauth::{OAuth, ZitadelConfig};
+use serde::{Deserialize, Serialize};
+
+mod auth;
+mod introspection;
+mod oauth;
+mod session;
+
+pub use auth::{Auth, AuthService};
+use session::SessionClap;
+pub use session::SessionService;
+
+#[derive(clap::ValueEnum, Clone, PartialEq, Eq, Debug)]
+pub enum AuthEngine {
+    Noop,
+    Zitadel,
+}
+
+#[derive(clap::ValueEnum, Clone, PartialEq, Eq, Debug)]
+pub enum SessionBackend {
+    InMemory,
+    Postgresql,
+}
+
+#[derive(clap::Args, Clone, PartialEq, Eq, Debug)]
+pub struct AuthClap {
+    #[arg(
+        env = "AUTH_ENGINE",
+         long = "auth-engine",
+         requires_ifs = [
+        ( "zitadel", "ZitadelClap" )
+       ],
+        default_value = "noop" )
+    ]
+    pub engine: AuthEngine,
+
+    #[arg(
+        env = "SESSION_BACKEND",
+         long = "session-backend",
+         requires_ifs = [
+        ( "postgresql", "PostgresqlSessionClap" )
+       ],
+        default_value = "in-memory" )
+    ]
+    pub session_backend: SessionBackend,
+
+    #[clap(flatten)]
+    pub zitadel: ZitadelClap,
+
+    #[clap(flatten)]
+    pub session: SessionClap,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct AuthConfigFile {
+    zitadel: Option<ZitadelClap>,
+}
+
+#[derive(clap::Args, Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[group(requires_all = ["auth_url", "client_id", "client_secret", "redirect_url", "token_url", "authority_url"])]
+pub struct ZitadelClap {
+    #[arg(env = "ZITADEL_AUTH_URL", long = "zitadel-auth-url")]
+    pub auth_url: Option<String>,
+
+    #[arg(env = "ZITADEL_CLIENT_ID", long = "zitadel-client-id")]
+    pub client_id: Option<String>,
+
+    #[arg(env = "ZITADEL_CLIENT_SECRET", long = "zitadel-client-secret")]
+    pub client_secret: Option<String>,
+
+    #[arg(env = "ZITADEL_REDIRECT_URL", long = "zitadel-redirect-url")]
+    pub redirect_url: Option<String>,
+
+    #[arg(env = "ZITADEL_AUTHORITY_URL", long = "zitadel-authority-url")]
+    pub authority_url: Option<String>,
+
+    #[arg(env = "ZITADEL_TOKEN_URL", long = "zitadel-token-url")]
+    pub token_url: Option<String>,
+}
+
+impl TryFrom<AuthClap> for OAuth {
+    type Error = anyhow::Error;
+
+    fn try_from(value: AuthClap) -> Result<Self, Self::Error> {
+        match value.engine {
+            AuthEngine::Noop => Ok(OAuth::new_noop()),
+            AuthEngine::Zitadel => Ok(OAuth::from(ZitadelConfig::try_from(value.zitadel)?)),
+        }
+    }
+}
+
+impl AuthClap {
+    pub fn merge(&mut self, config: AuthConfigFile) -> &mut Self {
+        if let Some(zitadel) = config.zitadel {
+            if let Some(auth_url) = zitadel.auth_url {
+                if let Some(_) = self.zitadel.auth_url {
+                    _ = self.zitadel.auth_url.replace(auth_url);
+                }
+            }
+            if let Some(client_id) = zitadel.client_id {
+                if let Some(_) = self.zitadel.client_id {
+                    _ = self.zitadel.client_id.replace(client_id);
+                }
+            }
+            if let Some(client_secret) = zitadel.client_secret {
+                if let Some(_) = self.zitadel.client_secret {
+                    _ = self.zitadel.client_secret.replace(client_secret);
+                }
+            }
+            if let Some(redirect_url) = zitadel.redirect_url {
+                if let Some(_) = self.zitadel.redirect_url {
+                    _ = self.zitadel.redirect_url.replace(redirect_url);
+                }
+            }
+            if let Some(authority_url) = zitadel.authority_url {
+                if let Some(_) = self.zitadel.authority_url {
+                    _ = self.zitadel.authority_url.replace(authority_url);
+                }
+            }
+            if let Some(token_url) = zitadel.token_url {
+                if let Some(_) = self.zitadel.token_url {
+                    _ = self.zitadel.token_url.replace(token_url);
+                }
+            }
+        }
+
+        self
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use crate::{
+        session::{PostgresqlSessionClap, SessionClap},
+        AuthClap, AuthEngine, SessionBackend, ZitadelClap,
+    };
+    use clap::Parser;
+    use pretty_assertions::assert_eq;
+
+    #[derive(Parser)]
+    #[command(author, version, about, long_about = None)]
+    pub struct Cli {
+        #[command(subcommand)]
+        command: Commands,
+    }
+
+    #[derive(clap::Subcommand, Clone, Debug, Eq, PartialEq)]
+    pub enum Commands {
+        One {
+            #[clap(flatten)]
+            options: AuthClap,
+        },
+    }
+
+    #[test]
+    fn test_command_parse_as_default_noop() {
+        let cli: Cli = Cli::parse_from(&["base", "one"]);
+
+        assert_eq!(
+            cli.command,
+            Commands::One {
+                options: AuthClap {
+                    engine: AuthEngine::Noop,
+                    zitadel: ZitadelClap {
+                        auth_url: None,
+                        client_id: None,
+                        client_secret: None,
+                        redirect_url: None,
+                        token_url: None,
+                        authority_url: None,
+                    },
+                    session_backend: SessionBackend::InMemory,
+                    session: SessionClap {
+                        postgresql: PostgresqlSessionClap { conn: None }
+                    }
+                }
+            }
+        );
+    }
+
+    #[test]
+    fn test_command_parse_as_noop() {
+        let cli: Cli = Cli::parse_from(&["base", "one", "--auth-engine", "noop"]);
+
+        assert_eq!(
+            cli.command,
+            Commands::One {
+                options: AuthClap {
+                    engine: AuthEngine::Noop,
+                    zitadel: ZitadelClap {
+                        auth_url: None,
+                        client_id: None,
+                        client_secret: None,
+                        redirect_url: None,
+                        token_url: None,
+                        authority_url: None,
+                    },
+                    session_backend: crate::SessionBackend::InMemory,
+                    session: crate::SessionClap {
+                        postgresql: PostgresqlSessionClap { conn: None }
+                    }
+                }
+            }
+        );
+    }
+
+    #[test]
+    fn test_command_parse_as_zitadel() {
+        let cli: Cli = Cli::parse_from(&[
+            "base",
+            "one",
+            "--auth-engine=zitadel",
+            "--zitadel-client-id=something",
+            "--zitadel-client-secret=something",
+            "--zitadel-auth-url=https://something",
+            "--zitadel-redirect-url=https://something",
+            "--zitadel-token-url=https://something",
+            "--zitadel-authority-url=https://something",
+        ]);
+
+        assert_eq!(
+            cli.command,
+            Commands::One {
+                options: AuthClap {
+                    engine: AuthEngine::Zitadel,
+                    zitadel: ZitadelClap {
+                        auth_url: Some("https://something".into()),
+                        client_id: Some("something".into()),
+                        client_secret: Some("something".into()),
+                        redirect_url: Some("https://something".into()),
+                        token_url: Some("https://something".into()),
+                        authority_url: Some("https://something".into()),
+                    },
+                    session_backend: crate::SessionBackend::InMemory,
+                    session: crate::SessionClap {
+                        postgresql: PostgresqlSessionClap { conn: None }
+                    }
+                },
+            }
+        );
+    }
+}

crates/como_auth/src/oauth.rs

@@ -0,0 +1,288 @@
+use async_trait::async_trait;
+use oauth2::reqwest::async_http_client;
+use oauth2::url::Url;
+use oauth2::{basic::BasicClient, AuthUrl, ClientId, ClientSecret, RedirectUrl, TokenUrl};
+use oauth2::{AuthorizationCode, CsrfToken, Scope, TokenResponse};
+use std::ops::Deref;
+use std::sync::Arc;
+
+use crate::ZitadelClap;
+
+#[async_trait]
+pub trait OAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()>;
+    async fn authorize_url(&self) -> anyhow::Result<Url>;
+    async fn exchange(&self, code: &str) -> anyhow::Result<String>;
+}
+
+pub struct OAuth(Arc<dyn OAuthClient + Send + Sync + 'static>);
+
+impl OAuth {
+    pub fn new_zitadel(config: ZitadelConfig) -> Self {
+        Self(Arc::new(ZitadelOAuthClient::from(config)))
+    }
+    pub fn new_noop() -> Self {
+        Self(Arc::new(NoopOAuthClient {}))
+    }
+}
+
+impl Deref for OAuth {
+    type Target = Arc<dyn OAuthClient + Send + Sync + 'static>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl From<ZitadelConfig> for OAuth {
+    fn from(value: ZitadelConfig) -> Self {
+        Self::new_zitadel(value)
+    }
+}
+
+// -- Noop
+#[derive(clap::Args, Clone)]
+pub struct NoopOAuthClient;
+#[async_trait]
+impl OAuthClient for NoopOAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+    async fn authorize_url(&self) -> anyhow::Result<Url> {
+        Ok(Url::parse("http://localhost:3000/auth/zitadel").unwrap())
+    }
+
+    async fn exchange(&self, _code: &str) -> anyhow::Result<String> {
+        Ok(String::new())
+    }
+}
+
+// -- Zitadel
+
+#[derive(Clone)]
+pub struct ZitadelConfig {
+    auth_url: String,
+    client_id: String,
+    client_secret: String,
+    redirect_url: String,
+    token_url: String,
+    authority_url: String,
+}
+
+pub struct ZitadelOAuthClient {
+    client: BasicClient,
+}
+
+impl ZitadelOAuthClient {
+    pub fn new(
+        client_id: impl Into<String>,
+        client_secret: impl Into<String>,
+        redirect_url: impl Into<String>,
+        auth_url: impl Into<String>,
+        token_url: impl Into<String>,
+        authority_url: impl Into<String>,
+    ) -> Self {
+        Self {
+            client: Self::oauth_client(ZitadelConfig {
+                client_id: client_id.into(),
+                client_secret: client_secret.into(),
+                redirect_url: redirect_url.into(),
+                auth_url: auth_url.into(),
+                token_url: token_url.into(),
+                authority_url: authority_url.into(),
+            }),
+        }
+    }
+
+    fn oauth_client(config: ZitadelConfig) -> BasicClient {
+        BasicClient::new(
+            ClientId::new(config.client_id),
+            Some(ClientSecret::new(config.client_secret)),
+            AuthUrl::new(config.auth_url).unwrap(),
+            Some(TokenUrl::new(config.token_url).unwrap()),
+        )
+        .set_redirect_uri(RedirectUrl::new(config.redirect_url).unwrap())
+    }
+}
+
+impl From<ZitadelConfig> for ZitadelOAuthClient {
+    fn from(value: ZitadelConfig) -> Self {
+        Self::new(
+            value.client_id,
+            value.client_secret,
+            value.redirect_url,
+            value.auth_url,
+            value.token_url,
+            value.authority_url,
+        )
+    }
+}
+
+impl TryFrom<ZitadelClap> for ZitadelConfig {
+    type Error = anyhow::Error;
+
+    fn try_from(value: ZitadelClap) -> Result<Self, Self::Error> {
+        Ok(Self {
+            auth_url: value
+                .auth_url
+                .ok_or(anyhow::anyhow!("auth_url was not set"))?,
+            client_id: value
+                .client_id
+                .ok_or(anyhow::anyhow!("client_id was not set"))?,
+            client_secret: value
+                .client_secret
+                .ok_or(anyhow::anyhow!("client_secret was not set"))?,
+            redirect_url: value
+                .redirect_url
+                .ok_or(anyhow::anyhow!("redirect_url was not set"))?,
+            token_url: value
+                .token_url
+                .ok_or(anyhow::anyhow!("token_url was not set"))?,
+            authority_url: value
+                .authority_url
+                .ok_or(anyhow::anyhow!("authority_url was not set"))?,
+        })
+    }
+}
+
+#[async_trait]
+impl OAuthClient for ZitadelOAuthClient {
+    async fn get_token(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+    async fn authorize_url(&self) -> anyhow::Result<Url> {
+        let (auth_url, _csrf_token) = self
+            .client
+            .authorize_url(CsrfToken::new_random)
+            .add_scope(Scope::new("identify".to_string()))
+            .add_scope(Scope::new("openid".to_string()))
+            .url();
+
+        Ok(auth_url)
+    }
+
+    async fn exchange(&self, code: &str) -> anyhow::Result<String> {
+        let token = self
+            .client
+            .exchange_code(AuthorizationCode::new(code.to_string()))
+            .request_async(async_http_client)
+            .await?;
+
+        Ok(token.access_token().secret().clone())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::ZitadelClap;
+    use clap::Parser;
+    use sealed_test::prelude::*;
+
+    #[derive(Parser)]
+    #[command(author, version, about, long_about = None)]
+    pub struct Cli {
+        #[clap(flatten)]
+        options: ZitadelClap,
+    }
+
+    #[derive(Parser, Debug)]
+    #[command(author, version, about, long_about = None)]
+    pub struct CliSubCommand {
+        #[command(subcommand)]
+        command: Commands,
+    }
+
+    #[derive(clap::Subcommand, Clone, Debug, Eq, PartialEq)]
+    pub enum Commands {
+        One {
+            #[clap(flatten)]
+            options: ZitadelClap,
+        },
+    }
+
+    #[tokio::test]
+    async fn test_parse_clap_zitadel() {
+        let cli: Cli = Cli::parse_from(&[
+            "base",
+            "--zitadel-client-id=something",
+            "--zitadel-client-secret=something",
+            "--zitadel-auth-url=https://something",
+            "--zitadel-redirect-url=https://something",
+            "--zitadel-token-url=https://something",
+            "--zitadel-authority-url=https://something",
+        ]);
+        println!("{:?}", cli.options);
+
+        pretty_assertions::assert_eq!(
+            cli.options,
+            ZitadelClap {
+                auth_url: Some("https://something".into()),
+                client_id: Some("something".into()),
+                client_secret: Some("something".into()),
+                redirect_url: Some("https://something".into()),
+                token_url: Some("https://something".into()),
+                authority_url: Some("https://something".into()),
+            }
+        );
+    }
+
+    #[test]
+    fn test_parse_clap_zitadel_fails_require_all() {
+        let cli = CliSubCommand::try_parse_from(&[
+            "base",
+            "one",
+            // "--zitadel-client-id=something", // We want to trigger missing variable
+            "--zitadel-client-secret=something",
+            "--zitadel-auth-url=https://something",
+            "--zitadel-redirect-url=https://something",
+            "--zitadel-token-url=https://something",
+            "--zitadel-authority-url=https://something",
+        ]);
+
+        pretty_assertions::assert_eq!(cli.is_err(), true);
+    }
+
+    #[sealed_test]
+    fn test_parse_clap_env_zitadel() {
+        std::env::set_var("ZITADEL_CLIENT_ID", "something");
+        std::env::set_var("ZITADEL_CLIENT_SECRET", "something");
+        std::env::set_var("ZITADEL_AUTH_URL", "https://something");
+        std::env::set_var("ZITADEL_REDIRECT_URL", "https://something");
+        std::env::set_var("ZITADEL_TOKEN_URL", "https://something");
+        std::env::set_var("ZITADEL_AUTHORITY_URL", "https://something");
+
+        let cli = CliSubCommand::parse_from(&["base", "one"]);
+
+        pretty_assertions::assert_eq!(
+            cli.command,
+            Commands::One {
+                options: ZitadelClap {
+                    auth_url: Some("https://something".into()),
+                    client_id: Some("something".into()),
+                    client_secret: Some("something".into()),
+                    redirect_url: Some("https://something".into()),
+                    token_url: Some("https://something".into()),
+                    authority_url: Some("https://something".into()),
+                }
+            }
+        );
+    }
+    #[test]
+    fn test_parse_clap_defaults_to_noop() {
+        let cli = CliSubCommand::parse_from(&["base", "one"]);
+
+        pretty_assertions::assert_eq!(
+            cli.command,
+            Commands::One {
+                options: ZitadelClap {
+                    auth_url: None,
+                    client_id: None,
+                    client_secret: None,
+                    redirect_url: None,
+                    token_url: None,
+                    authority_url: None,
+                },
+            }
+        );
+    }
+}

crates/como_auth/src/session.rs

@@ -0,0 +1,120 @@
+use std::{ops::Deref, sync::Arc};
+
+use async_sqlx_session::PostgresSessionStore;
+use async_trait::async_trait;
+use axum_sessions::async_session::{Session as AxumSession, SessionStore as AxumSessionStore};
+use serde::{Deserialize, Serialize};
+
+use crate::{AuthClap, SessionBackend};
+
+#[derive(clap::Args, Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct SessionClap {
+    #[clap(flatten)]
+    pub postgresql: PostgresqlSessionClap,
+}
+
+#[derive(clap::Args, Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PostgresqlSessionClap {
+    #[arg(env = "SESSION_POSTGRES_CONN", long = "session-postgres-conn")]
+    pub conn: Option<String>,
+}
+
+#[async_trait]
+pub trait Session {
+    async fn insert_user(&self, id: &str, user_id: &str) -> anyhow::Result<String>;
+    async fn get_user(&self, cookie: &str) -> anyhow::Result<Option<String>>;
+}
+
+pub struct SessionService(Arc<dyn Session + Send + Sync + 'static>);
+impl SessionService {
+    pub async fn new(config: &AuthClap) -> anyhow::Result<Self> {
+        match config.session_backend {
+            SessionBackend::InMemory => Ok(Self(Arc::new(InMemorySessionService {}))),
+            SessionBackend::Postgresql => {
+                let postgres_session = PostgresSessionStore::new(
+                    config
+                        .session
+                        .postgresql
+                        .conn
+                        .as_ref()
+                        .expect("SESSION_POSTGRES_CONN to be set"),
+                )
+                .await?;
+
+                Ok(Self(Arc::new(PostgresSessionService {
+                    store: postgres_session,
+                })))
+            }
+        }
+    }
+}
+
+impl Deref for SessionService {
+    type Target = Arc<dyn Session + Send + Sync + 'static>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub struct PostgresSessionService {
+    store: PostgresSessionStore,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub struct User {
+    pub id: String,
+}
+
+#[async_trait]
+impl Session for PostgresSessionService {
+    async fn insert_user(&self, _id: &str, user_id: &str) -> anyhow::Result<String> {
+        let mut session = AxumSession::new();
+        session.insert(
+            "user",
+            User {
+                id: user_id.to_string(),
+            },
+        )?;
+
+        let cookie = self
+            .store
+            .store_session(session)
+            .await?
+            .ok_or(anyhow::anyhow!("failed to store session"))?;
+
+        Ok(cookie)
+    }
+    async fn get_user(&self, cookie: &str) -> anyhow::Result<Option<String>> {
+        if let Some(session) = self.store.load_session(cookie.to_string()).await.unwrap() {
+            if let Some(user) = session.get::<User>("user") {
+                tracing::debug!(
+                    "UserFromSession: session decoded success, user_id={:?}",
+                    user.id
+                );
+                Ok(Some(user.id))
+            } else {
+                Ok(None)
+            }
+        } else {
+            tracing::debug!(
+                "UserIdFromSession: err session not exists in store, {}",
+                cookie
+            );
+            Err(anyhow::anyhow!("No session found for cookie"))
+        }
+    }
+}
+
+pub struct InMemorySessionService {}
+
+#[async_trait]
+impl Session for InMemorySessionService {
+    async fn insert_user(&self, _id: &str, _user_id: &str) -> anyhow::Result<String> {
+        todo!()
+    }
+
+    async fn get_user(&self, _cookie: &str) -> anyhow::Result<Option<String>> {
+        todo!()
+    }
+}

crates/como_bin/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "como_bin"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+como_gql.workspace = true
+como_core.workspace = true
+como_domain.workspace = true
+como_infrastructure.workspace = true
+como_api.workspace = true
+
+
+axum.workspace = true
+serde_json.workspace = true
+tokio.workspace = true
+anyhow.workspace = true
+dotenv.workspace = true
+tracing.workspace = true
+tracing-subscriber.workspace = true
+clap.workspace = true

crates/como_bin/src/error.rs

@@ -0,0 +1,22 @@
+use axum::{http::StatusCode, response::IntoResponse, Json};
+use serde_json::json;
+
+#[allow(dead_code)]
+#[derive(Debug)]
+pub enum AppError {
+    WrongCredentials,
+    InternalServerError,
+}
+
+impl IntoResponse for AppError {
+    fn into_response(self) -> axum::response::Response {
+        let (status, err_msg) = match self {
+            Self::WrongCredentials => (StatusCode::BAD_REQUEST, "invalid credentials"),
+            Self::InternalServerError => (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "something went wrong with your request",
+            ),
+        };
+        (status, Json(json!({ "error": err_msg }))).into_response()
+    }
+}

crates/como_bin/src/main.rs

@@ -0,0 +1,41 @@
+use std::sync::Arc;
+
+mod error;
+
+use clap::Parser;
+
+use anyhow::Context;
+
+use como_api::router::Api;
+use como_infrastructure::{
+    configs::AppConfig, database::ConnectionPoolManager, register::ServiceRegister,
+};
+
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    tracing::info!("Loading dotenv");
+    dotenv::dotenv()?;
+
+    let config = Arc::new(AppConfig::parse());
+
+    tracing_subscriber::registry()
+        .with(tracing_subscriber::EnvFilter::new(&config.rust_log))
+        .with(tracing_subscriber::fmt::layer())
+        .init();
+
+    let pool = ConnectionPoolManager::new_pool(&config.database_url, true).await?;
+
+    let service_register = ServiceRegister::new(pool, config.clone()).await?;
+
+    Api::new(
+        config.api_port,
+        &config.cors_origin,
+        service_register.clone(),
+    )
+    .await
+    .context("could not initialize API")?;
+
+    Ok(())
+}

crates/como_core/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "como_core"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+como_domain.workspace = true
+
+async-trait.workspace = true
+anyhow.workspace = true

crates/como_core/report.json

@@ -0,0 +1,5 @@
+{
+  "version": 0,
+  "root_name": "Workspace",
+  "workspace_crates": {}
+}

crates/como_core/src/items/mod.rs

@@ -0,0 +1,31 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use como_domain::{
+    item::{
+        queries::{GetItemQuery, GetItemsQuery},
+        requests::{CreateItemDto, UpdateItemDto},
+        responses::CreatedItemDto,
+        ItemDto,
+    },
+    Context,
+};
+
+pub type DynItemService = Arc<dyn ItemService + Send + Sync>;
+
+#[async_trait]
+pub trait ItemService {
+    async fn add_item(
+        &self,
+        context: &Context,
+        item: CreateItemDto,
+    ) -> anyhow::Result<CreatedItemDto>;
+    async fn get_item(&self, context: &Context, query: GetItemQuery) -> anyhow::Result<ItemDto>;
+    async fn get_items(
+        &self,
+        context: &Context,
+        query: GetItemsQuery,
+    ) -> anyhow::Result<Vec<ItemDto>>;
+
+    async fn update_item(&self, context: &Context, item: UpdateItemDto) -> anyhow::Result<ItemDto>;
+}

crates/como_core/src/lib.rs

@@ -0,0 +1,3 @@
+pub mod items;
+pub mod projects;
+pub mod users;

crates/como_core/src/projects/mod.rs

@@ -0,0 +1,24 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use como_domain::{
+    projects::{mutation::CreateProjectMutation, queries::GetProjectQuery, ProjectDto},
+    Context,
+};
+
+pub type DynProjectService = Arc<dyn ProjectService + Send + Sync>;
+
+#[async_trait]
+pub trait ProjectService {
+    async fn get_project(
+        &self,
+        context: &Context,
+        query: GetProjectQuery,
+    ) -> anyhow::Result<ProjectDto>;
+    async fn get_projects(&self, context: &Context) -> anyhow::Result<Vec<ProjectDto>>;
+    async fn create_project(
+        &self,
+        context: &Context,
+        name: CreateProjectMutation,
+    ) -> anyhow::Result<ProjectDto>;
+}

crates/como_core/src/users/mod.rs

@@ -0,0 +1,22 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use como_domain::Context;
+
+pub type DynUserService = Arc<dyn UserService + Send + Sync>;
+
+#[async_trait]
+pub trait UserService {
+    async fn add_user(
+        &self,
+        context: &Context,
+        username: String,
+        password: String,
+    ) -> anyhow::Result<String>;
+    async fn validate_user(
+        &self,
+        context: &Context,
+        username: String,
+        password: String,
+    ) -> anyhow::Result<Option<String>>;
+}

crates/como_domain/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "como_domain"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+async-graphql.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+uuid.workspace = true

crates/como_domain/src/common/mod.rs

@@ -0,0 +1,37 @@
+pub mod user;
+
+use std::collections::BTreeMap;
+
+#[derive(Debug, Clone)]
+pub struct Context {
+    values: BTreeMap<String, String>,
+}
+
+impl Context {
+    pub fn new() -> Self {
+        Self {
+            values: Default::default(),
+        }
+    }
+
+    pub fn with_value(&self, key: impl Into<String>, value: impl Into<String>) -> Self {
+        let mut values = self.values.clone();
+
+        let _ = values.insert(key.into(), value.into());
+
+        Self { values }
+    }
+
+    pub fn with_value_mut(
+        &mut self,
+        key: impl Into<String>,
+        value: impl Into<String>,
+    ) -> &mut Self {
+        self.values.insert(key.into(), value.into());
+        self
+    }
+
+    pub fn get(&self, key: impl AsRef<str>) -> Option<&str> {
+        self.values.get(key.as_ref()).map(|s| s.as_str())
+    }
+}

crates/como_domain/src/common/user.rs

@@ -0,0 +1,23 @@
+use crate::Context;
+
+pub trait ContextUserExt {
+    fn set_user_id(&self, user_id: impl Into<String>) -> Context;
+    fn set_user_id_mut(&mut self, user_id: impl Into<String>) -> &mut Context;
+    fn get_user_id(&self) -> Option<String>;
+}
+
+const USER_ID_KEY: &str = "user_id";
+
+impl ContextUserExt for Context {
+    fn set_user_id(&self, user_id: impl Into<String>) -> Context {
+        self.with_value(USER_ID_KEY, user_id)
+    }
+
+    fn set_user_id_mut(&mut self, user_id: impl Into<String>) -> &mut Context {
+        self.with_value_mut(USER_ID_KEY, user_id)
+    }
+
+    fn get_user_id(&self) -> Option<String> {
+        self.get(USER_ID_KEY).map(|s| s.to_string())
+    }
+}

crates/como_domain/src/item/mod.rs

@@ -0,0 +1,24 @@
+pub mod queries;
+pub mod requests;
+pub mod responses;
+
+use async_graphql::{Enum, InputObject};
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+#[derive(Debug, Deserialize, Serialize, Clone, PartialEq, Eq, Enum, Copy)]
+pub enum ItemState {
+    Created,
+    Done,
+    Archived,
+    Deleted,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject)]
+pub struct ItemDto {
+    pub id: Uuid,
+    pub title: String,
+    pub description: Option<String>,
+    pub state: ItemState,
+    pub project_id: Uuid,
+}

crates/como_domain/src/item/queries.rs

@@ -0,0 +1,13 @@
+use async_graphql::InputObject;
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject)]
+pub struct GetItemQuery {
+    pub item_id: Uuid,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject)]
+pub struct GetItemsQuery {
+    pub project_id: Uuid,
+}

crates/como_domain/src/item/requests.rs

@@ -0,0 +1,21 @@
+use async_graphql::InputObject;
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+use super::ItemState;
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject)]
+pub struct CreateItemDto {
+    pub title: String,
+    pub description: Option<String>,
+    pub project_id: Uuid,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject)]
+pub struct UpdateItemDto {
+    pub id: Uuid,
+    pub title: Option<String>,
+    pub description: Option<String>,
+    pub state: Option<ItemState>,
+    pub project_id: Option<Uuid>,
+}

crates/como_domain/src/item/responses.rs

@@ -0,0 +1,3 @@
+use super::ItemDto;
+
+pub type CreatedItemDto = ItemDto;

crates/como_domain/src/lib.rs

@@ -0,0 +1,6 @@
+pub mod common;
+pub mod item;
+pub mod projects;
+pub mod users;
+
+pub use common::*;

crates/como_domain/src/projects/mod.rs

@@ -0,0 +1,17 @@
+pub mod mutation;
+pub mod queries;
+pub mod requests;
+pub mod responses;
+
+use async_graphql::{InputObject, SimpleObject};
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject, SimpleObject)]
+pub struct ProjectDto {
+    pub id: Uuid,
+    pub name: String,
+    pub description: Option<String>,
+
+    pub user_id: String,
+}

crates/como_domain/src/projects/mutation.rs

@@ -0,0 +1,8 @@
+use async_graphql::InputObject;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject)]
+pub struct CreateProjectMutation {
+    pub name: String,
+    pub description: Option<String>,
+}

crates/como_domain/src/projects/queries.rs

@@ -0,0 +1,8 @@
+use async_graphql::InputObject;
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, InputObject)]
+pub struct GetProjectQuery {
+    pub project_id: Uuid,
+}

crates/como_domain/src/projects/requests.rs

@@ -0,0 +1,6 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize)]
+pub struct CreateProjectDto {
+    pub name: String,
+}

crates/como_domain/src/projects/responses.rs

@@ -0,0 +1,3 @@
+use super::ProjectDto;
+
+pub type CreatedProjectDto = ProjectDto;

crates/como_domain/src/users/mod.rs

@@ -0,0 +1,17 @@
+pub mod requests;
+pub mod responses;
+
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct UserDto {
+    pub id: Uuid,
+    pub username: String,
+    pub email: String,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub struct User {
+    pub id: String,
+}

crates/como_domain/src/users/requests.rs

@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize)]
+pub struct CreateUserDto {
+    pub username: String,
+    pub email: String,
+    pub password: String,
+}

crates/como_domain/src/users/responses.rs

@@ -0,0 +1,3 @@
+use super::UserDto;
+
+pub type UserCreatedDto = UserDto;

crates/como_gql/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "como_gql"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+como_core.workspace = true
+como_domain.workspace = true
+como_infrastructure.workspace = true
+
+anyhow.workspace = true
+async-trait.workspace = true
+async-graphql.workspace = true
+uuid.workspace = true

crates/como_gql/src/graphql.rs

@@ -0,0 +1,94 @@
+use crate::common::*;
+use crate::items::{CreatedItem, Item};
+use crate::projects::Project;
+use async_graphql::{Context, EmptySubscription, Object, Schema};
+use como_domain::item::queries::{GetItemQuery, GetItemsQuery};
+use como_domain::item::requests::{CreateItemDto, UpdateItemDto};
+use como_domain::projects::mutation::CreateProjectMutation;
+use como_domain::projects::queries::GetProjectQuery;
+use como_domain::projects::ProjectDto;
+
+pub type ComoSchema = Schema<QueryRoot, MutationRoot, EmptySubscription>;
+
+pub struct MutationRoot;
+
+#[Object]
+impl MutationRoot {
+    async fn create_item(
+        &self,
+        ctx: &Context<'_>,
+        item: CreateItemDto,
+    ) -> anyhow::Result<CreatedItem> {
+        let created_item = item_service(ctx)
+            .add_item(get_domain_context(ctx), item)
+            .await?;
+
+        Ok(CreatedItem {
+            id: created_item.id,
+        })
+    }
+
+    async fn create_project(
+        &self,
+        ctx: &Context<'_>,
+        request: CreateProjectMutation,
+    ) -> anyhow::Result<ProjectDto> {
+        let project = project_service(ctx)
+            .create_project(get_domain_context(ctx), request)
+            .await?;
+
+        Ok(project)
+    }
+
+    async fn update_item(&self, ctx: &Context<'_>, item: UpdateItemDto) -> anyhow::Result<Item> {
+        let updated_item = item_service(ctx)
+            .update_item(get_domain_context(ctx), item)
+            .await?;
+
+        Ok(updated_item.into())
+    }
+}
+
+pub struct QueryRoot;
+
+#[Object]
+impl QueryRoot {
+    async fn get_item(&self, ctx: &Context<'_>, query: GetItemQuery) -> anyhow::Result<Item> {
+        let item = item_service(ctx)
+            .get_item(get_domain_context(ctx), query)
+            .await?;
+
+        Ok(Item::from(item))
+    }
+
+    async fn get_items(
+        &self,
+        ctx: &Context<'_>,
+        query: GetItemsQuery,
+    ) -> anyhow::Result<Vec<Item>> {
+        let items = item_service(ctx)
+            .get_items(get_domain_context(ctx), query)
+            .await?;
+
+        Ok(items.iter().map(|i| Item::from(i.clone())).collect())
+    }
+
+    // Projects
+    async fn get_project(
+        &self,
+        ctx: &Context<'_>,
+        query: GetProjectQuery,
+    ) -> anyhow::Result<Project> {
+        project_service(ctx)
+            .get_project(get_domain_context(ctx), query)
+            .await
+            .map(|p| p.into())
+    }
+
+    async fn get_projects(&self, ctx: &Context<'_>) -> anyhow::Result<Vec<Project>> {
+        project_service(ctx)
+            .get_projects(get_domain_context(ctx))
+            .await
+            .map(|p| p.into_iter().map(|p| p.into()).collect())
+    }
+}

crates/como_gql/src/items.rs

@@ -0,0 +1,80 @@
+use crate::common::*;
+use async_graphql::{Context, Object};
+use como_domain::{
+    item::{queries::GetItemQuery, ItemDto, ItemState},
+    projects::queries::GetProjectQuery,
+};
+use uuid::Uuid;
+
+use crate::projects::Project;
+
+pub struct CreatedItem {
+    pub id: Uuid,
+}
+
+#[Object]
+impl CreatedItem {
+    pub async fn item(&self, ctx: &Context<'_>) -> anyhow::Result<Item> {
+        let item = item_service(ctx)
+            .get_item(get_domain_context(ctx), GetItemQuery { item_id: self.id })
+            .await?;
+
+        Ok(item.into())
+    }
+}
+
+pub struct Item {
+    pub id: Uuid,
+    pub title: String,
+    pub description: Option<String>,
+    pub state: ItemState,
+    pub project_id: Uuid,
+}
+
+#[Object]
+impl Item {
+    pub async fn id(&self, _ctx: &Context<'_>) -> anyhow::Result<Uuid> {
+        return Ok(self.id);
+    }
+
+    pub async fn title(&self, _ctx: &Context<'_>) -> anyhow::Result<String> {
+        return Ok(self.title.clone());
+    }
+
+    pub async fn description(&self, _ctx: &Context<'_>) -> anyhow::Result<Option<String>> {
+        return Ok(self.description.clone());
+    }
+
+    pub async fn state(&self, _ctx: &Context<'_>) -> anyhow::Result<ItemState> {
+        return Ok(self.state);
+    }
+
+    pub async fn project(&self, ctx: &Context<'_>) -> anyhow::Result<Project> {
+        let project = project_service(ctx)
+            .get_project(
+                get_domain_context(ctx),
+                GetProjectQuery {
+                    project_id: self.project_id,
+                },
+            )
+            .await?;
+
+        Ok(project.into())
+    }
+
+    pub async fn project_id(&self, _ctx: &Context<'_>) -> anyhow::Result<Uuid> {
+        return Ok(self.project_id);
+    }
+}
+
+impl From<ItemDto> for Item {
+    fn from(dto: ItemDto) -> Self {
+        Self {
+            id: dto.id,
+            title: dto.title,
+            description: dto.description,
+            state: dto.state,
+            project_id: dto.project_id,
+        }
+    }
+}

crates/como_gql/src/lib.rs

@@ -0,0 +1,33 @@
+pub mod graphql;
+mod items;
+mod projects;
+
+pub mod common {
+    use async_graphql::Context;
+    use como_core::items::DynItemService;
+    use como_core::projects::DynProjectService;
+    use como_infrastructure::register::ServiceRegister;
+
+    #[inline(always)]
+    pub(crate) fn get_domain_context<'a>(ctx: &Context<'a>) -> &'a como_domain::Context {
+        ctx.data_unchecked::<como_domain::Context>()
+    }
+
+    #[allow(dead_code)]
+    #[inline(always)]
+    pub(crate) fn get_service_register<'a>(ctx: &Context<'a>) -> &'a ServiceRegister {
+        ctx.data_unchecked::<ServiceRegister>()
+    }
+
+    #[inline(always)]
+    pub(crate) fn project_service<'a>(ctx: &Context<'a>) -> DynProjectService {
+        ctx.data_unchecked::<ServiceRegister>()
+            .project_service
+            .clone()
+    }
+
+    #[inline(always)]
+    pub(crate) fn item_service<'a>(ctx: &Context<'a>) -> DynItemService {
+        ctx.data_unchecked::<ServiceRegister>().item_service.clone()
+    }
+}

crates/como_gql/src/projects.rs

@@ -0,0 +1,48 @@
+use crate::common::*;
+use async_graphql::{Context, Object};
+use como_domain::projects::ProjectDto;
+
+use uuid::Uuid;
+
+use crate::items::Item;
+
+pub struct Project {
+    pub id: Uuid,
+    pub name: String,
+}
+
+#[Object]
+impl Project {
+    async fn id(&self) -> &Uuid {
+        &self.id
+    }
+
+    async fn name(&self) -> &String {
+        &self.name
+    }
+
+    async fn items(&self, ctx: &Context<'_>) -> anyhow::Result<Vec<Item>> {
+        let items = item_service(ctx)
+            .get_items(
+                get_domain_context(ctx),
+                como_domain::item::queries::GetItemsQuery {
+                    project_id: self.id,
+                },
+            )
+            .await?
+            .iter()
+            .map(|i| Item::from(i.clone()))
+            .collect::<Vec<_>>();
+
+        Ok(items)
+    }
+}
+
+impl From<ProjectDto> for Project {
+    fn from(dto: ProjectDto) -> Self {
+        Self {
+            id: dto.id,
+            name: dto.name,
+        }
+    }
+}

crates/como_infrastructure/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "como_infrastructure"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+como_core.workspace = true
+como_domain.workspace = true
+como_auth.workspace = true
+
+axum.workspace = true
+async-trait.workspace = true
+uuid.workspace = true
+anyhow.workspace = true
+sqlx.workspace = true
+chrono.workspace = true
+serde_json.workspace = true
+
+async-sqlx-session.workspace = true
+
+tokio.workspace = true
+clap.workspace = true
+tracing.workspace = true
+argon2.workspace = true
+rand_core.workspace = true

crates/como_infrastructure/build.rs

@@ -0,0 +1,9 @@
+fn main() {
+    println!("cargo:rustc-env=SQLX_OFFLINE_DIR='./.sqlx'");
+    // When building in docs.rs, we want to set SQLX_OFFLINE mode to true
+    if std::env::var_os("DOCS_RS").is_some() {
+        println!("cargo:rustc-env=SQLX_OFFLINE=true");
+    } else if std::env::var_os("DOCKER_BUILD").is_some() {
+        println!("cargo:rustc-env=SQLX_OFFLINE=true");
+    }
+}

crates/como_infrastructure/migrations/20220808220223_initial_migration.sql

@@ -0,0 +1,8 @@
+-- Add migration script here
+CREATE TABLE IF NOT EXISTS users (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  username varchar not null,
+  password_hash varchar not null
+);
+
+CREATE unique index users_username_idx on users(username)

crates/como_infrastructure/migrations/20230528154039_with-project.sql

@@ -0,0 +1,10 @@
+-- Add migration script here
+
+CREATE TABLE IF NOT EXISTS projects (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  name varchar not null,
+  description varchar default null,
+  user_id varchar not null,
+  created_at timestamp not null,
+  updated_at timestamp not null
+);

crates/como_infrastructure/migrations/20230603152353_items.sql

@@ -0,0 +1,17 @@
+-- Add migration script here
+
+create table if not exists items (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  title varchar not null,
+  description varchar default null,
+  state integer not null,
+  user_id varchar not null,
+  project_id UUID not null,
+  created_at timestamp not null,
+  updated_at timestamp not null,
+  CONSTRAINT fk_project
+    FOREIGN KEY(project_id)
+      REFERENCES projects(id)
+        ON DELETE CASCADE
+)
+

crates/como_infrastructure/migrations/20230604084033_alter_state_string.sql

@@ -0,0 +1,4 @@
+-- Add migration script here
+
+ALTER TABLE items ALTER COLUMN state TYPE varchar(255);
+

crates/como_infrastructure/sqlx-data.json

@@ -0,0 +1,346 @@
+{
+  "db": "PostgreSQL",
+  "05d0a7901f0481d7443f125655df26eeacd63f2b023723a0c09c662617e0baf5": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, title, description, state, project_id\n            FROM items\n            WHERE id = $1 AND user_id = $2\n            "
+  },
+  "3b4484c5ccfd4dcb887c4e978fe6e45d4c9ecc2a73909be207dced79ddf17d87": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Varchar",
+          "Varchar"
+        ]
+      }
+    },
+    "query": "\n            INSERT INTO users (username, password_hash) \n            VALUES ( $1, $2 ) \n            RETURNING id\n            "
+  },
+  "4ec32ebd0ee991cec625d9de51de0d3e0ddfc8afda0568327fa9c818bde08e1f": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Varchar",
+          "Varchar",
+          "Varchar",
+          "Timestamp",
+          "Timestamp"
+        ]
+      }
+    },
+    "query": "\n            INSERT INTO projects (id, name, description, user_id, created_at, updated_at)\n            VALUES ($1, $2, $3, $4, $5, $6)\n            RETURNING id\n            "
+  },
+  "7901e81b1f1f08f0c7e72a967a8116efb62f40d99f80900f1e56cd13ad4f6bb2": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Varchar",
+          "Varchar",
+          "Varchar",
+          "Uuid",
+          "Varchar"
+        ]
+      }
+    },
+    "query": "\n            INSERT INTO items (id, title, description, state, project_id, user_id, created_at, updated_at)\n            VALUES ($1, $2, $3, $4, $5, $6, now(), now())\n            RETURNING id, title, description, state, project_id\n            "
+  },
+  "a188dc748025cf3311820d16002b111a75f571d18f44f54b730ac14e9b2e10ea": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "name",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "user_id",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, name, description, user_id\n            FROM projects\n            WHERE id = $1 and user_id = $2\n            "
+  },
+  "b930a7123d22d543e4d8ed70a1bc10477362127969ceca9653e445f26670003a": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "name",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "user_id",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, name, description, user_id\n            FROM projects\n            WHERE user_id = $1\n            LIMIT 500\n            "
+  },
+  "bacf3c8a2f302d50991483fa36a06965c3536c2ef3837c19c6e6361eff312848": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Varchar",
+          "Varchar",
+          "Varchar",
+          "Uuid",
+          "Uuid",
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            UPDATE items\n            SET \n                title = COALESCE($1, title), \n                description = COALESCE($2, description), \n                state = COALESCE($3, state), \n                project_id = COALESCE($4, project_id), \n                updated_at = now()\n            WHERE id = $5 AND user_id = $6\n            RETURNING id, title, description, state, project_id\n            "
+  },
+  "bd2407ffb9637afcff3ffe1101e7c1920b8cf0be423ab0313d14acc9c76e0f93": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Text",
+          "Uuid"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, title, description, state, project_id\n            FROM items\n            WHERE user_id = $1 and project_id = $2\n            LIMIT 500\n            "
+  },
+  "d3f222cf6c3d9816705426fdbed3b13cb575bb432eb1f33676c0b414e67aecaf": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "username",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "password_hash",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT * from users\n            where username=$1\n            "
+  }
+}

crates/como_infrastructure/src/configs/mod.rs

@@ -0,0 +1,29 @@
+use clap::ValueEnum;
+use como_auth::AuthClap;
+
+#[derive(clap::Parser)]
+pub struct AppConfig {
+    #[clap(long, env)]
+    pub database_url: String,
+    #[clap(long, env, default_value = "postgres")]
+    pub database_type: DatabaseType,
+    #[clap(long, env)]
+    pub rust_log: String,
+    #[clap(long, env, default_value = "3001")]
+    pub api_port: u32,
+    #[clap(long, env, default_value = "true")]
+    pub run_migrations: bool,
+    #[clap(long, env, default_value = "false")]
+    pub seed: bool,
+    #[clap(long, env)]
+    pub cors_origin: String,
+
+    #[clap(flatten)]
+    pub auth: AuthClap,
+}
+
+#[derive(Clone, Debug, ValueEnum)]
+pub enum DatabaseType {
+    Postgres,
+    InMemory,
+}

crates/como_infrastructure/src/database/mod.rs

@@ -0,0 +1,33 @@
+use anyhow::Context;
+use sqlx::{postgres::PgPoolOptions, Pool, Postgres};
+use tracing::log::info;
+
+pub type ConnectionPool = Pool<Postgres>;
+
+pub struct ConnectionPoolManager;
+
+impl ConnectionPoolManager {
+    pub async fn new_pool(
+        connection_string: &str,
+        run_migrations: bool,
+    ) -> anyhow::Result<ConnectionPool> {
+        info!("initializing the database connection pool");
+        let pool = PgPoolOptions::new()
+            .max_connections(5)
+            .connect(connection_string)
+            .await
+            .context("error while initializing the database connection pool")?;
+
+        if run_migrations {
+            info!("migrations enabled");
+            info!("migrating database");
+
+            sqlx::migrate!()
+                .run(&pool)
+                .await
+                .context("error while running database migrations")?;
+        }
+
+        Ok(pool)
+    }
+}

crates/como_infrastructure/src/lib.rs

@@ -0,0 +1,5 @@
+pub mod configs;
+pub mod database;
+pub mod register;
+pub mod repositories;
+pub mod services;

crates/como_infrastructure/src/register.rs

@@ -0,0 +1,74 @@
+use std::sync::Arc;
+
+use async_sqlx_session::PostgresSessionStore;
+use como_auth::{AuthService, SessionService};
+use como_core::{items::DynItemService, projects::DynProjectService, users::DynUserService};
+use tracing::log::info;
+
+use crate::{
+    configs::{AppConfig, DatabaseType},
+    database::ConnectionPool,
+    services::{
+        item_service::{DefaultItemService, MemoryItemService},
+        project_service::{DefaultProjectService, MemoryProjectService},
+        user_service::DefaultUserService,
+    },
+};
+
+#[derive(Clone)]
+pub struct ServiceRegister {
+    pub item_service: DynItemService,
+    pub project_service: DynProjectService,
+    pub user_service: DynUserService,
+    pub session_store: PostgresSessionStore,
+    pub auth_service: AuthService,
+}
+
+impl ServiceRegister {
+    pub async fn new(pool: ConnectionPool, config: Arc<AppConfig>) -> anyhow::Result<Self> {
+        info!("creating services");
+
+        let session = SessionService::new(&config.auth).await?;
+        let auth = AuthService::new(&config.auth, session).await?;
+
+        let s = match config.database_type {
+            DatabaseType::Postgres => {
+                let item_service =
+                    Arc::new(DefaultItemService::new(pool.clone())) as DynItemService;
+                let project_service =
+                    Arc::new(DefaultProjectService::new(pool.clone())) as DynProjectService;
+                let user_service =
+                    Arc::new(DefaultUserService::new(pool.clone())) as DynUserService;
+                let store = PostgresSessionStore::new(&config.database_url).await?;
+                store.migrate().await?;
+
+                Self {
+                    item_service,
+                    user_service,
+                    project_service,
+                    session_store: store,
+                    auth_service: auth,
+                }
+            }
+            DatabaseType::InMemory => {
+                let item_service = Arc::new(MemoryItemService::new()) as DynItemService;
+                let project_service = Arc::new(MemoryProjectService::new()) as DynProjectService;
+                let user_service =
+                    Arc::new(DefaultUserService::new(pool.clone())) as DynUserService;
+                let store = PostgresSessionStore::new(&config.database_url).await?;
+                store.migrate().await?;
+
+                Self {
+                    item_service,
+                    user_service,
+                    project_service,
+                    session_store: store,
+                    auth_service: auth,
+                }
+            }
+        };
+        info!("services created succesfully");
+
+        Ok(s)
+    }
+}

crates/como_infrastructure/src/repositories/mod.rs

@@ -0,0 +1 @@
+

crates/como_infrastructure/src/services/item_service.rs

@@ -0,0 +1,221 @@
+use crate::database::ConnectionPool;
+use async_trait::async_trait;
+use como_core::items::ItemService;
+use como_domain::{
+    item::{
+        queries::{GetItemQuery, GetItemsQuery},
+        requests::{CreateItemDto, UpdateItemDto},
+        responses::CreatedItemDto,
+        ItemDto,
+    },
+    user::ContextUserExt,
+    Context,
+};
+use std::{
+    collections::HashMap,
+    sync::{Arc, Mutex},
+};
+use uuid::Uuid;
+
+pub struct DefaultItemService {
+    pool: ConnectionPool,
+}
+
+impl DefaultItemService {
+    pub fn new(connection_pool: ConnectionPool) -> Self {
+        Self {
+            pool: connection_pool,
+        }
+    }
+}
+
+#[async_trait]
+impl ItemService for DefaultItemService {
+    async fn add_item(
+        &self,
+        context: &Context,
+        item: CreateItemDto,
+    ) -> anyhow::Result<CreatedItemDto> {
+        let state = serde_json::to_string(&como_domain::item::ItemState::Created {})?;
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            INSERT INTO items (id, title, description, state, project_id, user_id, created_at, updated_at)
+            VALUES ($1, $2, $3, $4, $5, $6, now(), now())
+            RETURNING id, title, description, state, project_id
+            "#,
+            Uuid::new_v4(),
+            item.title,
+            item.description,
+            state,
+            item.project_id,
+            user_id,
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(CreatedItemDto {
+            id: rec.id,
+            title: rec.title,
+            description: rec.description,
+            state: como_domain::item::ItemState::Created {},
+            project_id: rec.project_id,
+        })
+    }
+
+    async fn get_item(&self, context: &Context, query: GetItemQuery) -> anyhow::Result<ItemDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            SELECT id, title, description, state, project_id
+            FROM items
+            WHERE id = $1 AND user_id = $2
+            "#,
+            query.item_id,
+            user_id,
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ItemDto {
+            id: rec.id,
+            title: rec.title,
+            description: rec.description,
+            state: serde_json::from_str(&rec.state)?,
+            project_id: rec.project_id,
+        })
+    }
+
+    async fn get_items(
+        &self,
+        context: &Context,
+        query: GetItemsQuery,
+    ) -> anyhow::Result<Vec<ItemDto>> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let recs = sqlx::query!(
+            r#"
+            SELECT id, title, description, state, project_id
+            FROM items
+            WHERE user_id = $1 and project_id = $2
+            LIMIT 500
+            "#,
+            user_id,
+            query.project_id,
+        )
+        .fetch_all(&self.pool)
+        .await?;
+
+        Ok(recs
+            .into_iter()
+            .map(|rec| ItemDto {
+                id: rec.id,
+                title: rec.title,
+                description: rec.description,
+                state: serde_json::from_str(&rec.state).unwrap(),
+                project_id: rec.project_id,
+            })
+            .collect())
+    }
+
+    async fn update_item(&self, context: &Context, item: UpdateItemDto) -> anyhow::Result<ItemDto> {
+        let state = item.state.map(|s| serde_json::to_string(&s)).transpose()?;
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            UPDATE items
+            SET 
+                title = COALESCE($1, title), 
+                description = COALESCE($2, description), 
+                state = COALESCE($3, state), 
+                project_id = COALESCE($4, project_id), 
+                updated_at = now()
+            WHERE id = $5 AND user_id = $6
+            RETURNING id, title, description, state, project_id
+            "#,
+            item.title,
+            item.description,
+            state,
+            item.project_id,
+            item.id,
+            user_id,
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ItemDto {
+            id: rec.id,
+            title: rec.title,
+            description: rec.description,
+            state: serde_json::from_str(&rec.state)?,
+            project_id: rec.project_id,
+        })
+    }
+}
+
+pub struct MemoryItemService {
+    item_store: Arc<Mutex<HashMap<String, ItemDto>>>,
+}
+
+impl MemoryItemService {
+    pub fn new() -> Self {
+        Self {
+            item_store: Arc::new(Mutex::new(HashMap::new())),
+        }
+    }
+}
+
+#[async_trait]
+impl ItemService for MemoryItemService {
+    async fn add_item(
+        &self,
+        _context: &Context,
+        create_item: CreateItemDto,
+    ) -> anyhow::Result<CreatedItemDto> {
+        if let Ok(mut item_store) = self.item_store.lock() {
+            let item = ItemDto {
+                id: Uuid::new_v4(),
+                title: create_item.title,
+                description: create_item.description,
+                state: como_domain::item::ItemState::Created,
+                project_id: create_item.project_id,
+            };
+
+            item_store.insert(item.id.to_string(), item.clone());
+
+            return Ok(item);
+        } else {
+            Err(anyhow::anyhow!("could not unlock item_store"))
+        }
+    }
+
+    async fn get_item(&self, _context: &Context, query: GetItemQuery) -> anyhow::Result<ItemDto> {
+        if let Ok(item_store) = self.item_store.lock() {
+            let item = item_store
+                .get(&query.item_id.to_string())
+                .ok_or(anyhow::anyhow!("could not find item"))?;
+            return Ok(item.clone());
+        } else {
+            Err(anyhow::anyhow!("could not unlock item_store"))
+        }
+    }
+
+    async fn get_items(
+        &self,
+        _context: &Context,
+        _query: GetItemsQuery,
+    ) -> anyhow::Result<Vec<ItemDto>> {
+        todo!()
+    }
+
+    async fn update_item(
+        &self,
+        _context: &Context,
+        _item: UpdateItemDto,
+    ) -> anyhow::Result<ItemDto> {
+        todo!()
+    }
+}

crates/como_infrastructure/src/services/mod.rs

@@ -0,0 +1,3 @@
+pub mod item_service;
+pub mod project_service;
+pub mod user_service;

crates/como_infrastructure/src/services/project_service.rs

@@ -0,0 +1,167 @@
+use std::{collections::HashMap, sync::Arc};
+
+use axum::async_trait;
+use como_core::projects::ProjectService;
+use como_domain::{
+    projects::{mutation::CreateProjectMutation, queries::GetProjectQuery, ProjectDto},
+    user::ContextUserExt,
+    Context,
+};
+use tokio::sync::Mutex;
+
+use crate::database::ConnectionPool;
+
+pub struct DefaultProjectService {
+    pool: ConnectionPool,
+}
+
+impl DefaultProjectService {
+    pub fn new(connection_pool: ConnectionPool) -> Self {
+        Self {
+            pool: connection_pool,
+        }
+    }
+}
+
+#[async_trait]
+impl ProjectService for DefaultProjectService {
+    async fn get_project(
+        &self,
+        context: &Context,
+        query: GetProjectQuery,
+    ) -> anyhow::Result<ProjectDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            SELECT id, name, description, user_id
+            FROM projects
+            WHERE id = $1 and user_id = $2
+            "#,
+            query.project_id,
+            &user_id
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ProjectDto {
+            id: rec.id,
+            name: rec.name,
+            description: rec.description,
+            user_id: rec.user_id,
+        })
+    }
+    async fn get_projects(&self, context: &Context) -> anyhow::Result<Vec<ProjectDto>> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let recs = sqlx::query!(
+            r#"
+            SELECT id, name, description, user_id
+            FROM projects
+            WHERE user_id = $1
+            LIMIT 500
+            "#,
+            &user_id
+        )
+        .fetch_all(&self.pool)
+        .await?;
+
+        Ok(recs
+            .into_iter()
+            .map(|rec| ProjectDto {
+                id: rec.id,
+                name: rec.name,
+                description: rec.description,
+                user_id: rec.user_id,
+            })
+            .collect::<_>())
+    }
+    async fn create_project(
+        &self,
+        context: &Context,
+        request: CreateProjectMutation,
+    ) -> anyhow::Result<ProjectDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            INSERT INTO projects (id, name, description, user_id, created_at, updated_at)
+            VALUES ($1, $2, $3, $4, $5, $6)
+            RETURNING id
+            "#,
+            uuid::Uuid::new_v4(),
+            request.name,
+            request.description,
+            &user_id,
+            chrono::Utc::now().naive_utc(),
+            chrono::Utc::now().naive_utc(),
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ProjectDto {
+            id: rec.id,
+            name: request.name,
+            description: request.description,
+            user_id: user_id.clone(),
+        })
+    }
+}
+
+pub struct MemoryProjectService {
+    project_store: Arc<Mutex<HashMap<String, ProjectDto>>>,
+}
+
+impl MemoryProjectService {
+    pub fn new() -> Self {
+        Self {
+            project_store: Arc::new(Mutex::new(HashMap::new())),
+        }
+    }
+}
+
+#[async_trait]
+impl ProjectService for MemoryProjectService {
+    async fn get_project(
+        &self,
+        _context: &Context,
+        query: GetProjectQuery,
+    ) -> anyhow::Result<ProjectDto> {
+        let ps = self.project_store.lock().await;
+        Ok(ps
+            .get(&query.project_id.to_string())
+            .ok_or(anyhow::anyhow!("could not find project"))?
+            .clone())
+    }
+    async fn get_projects(&self, context: &Context) -> anyhow::Result<Vec<ProjectDto>> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        Ok(self
+            .project_store
+            .lock()
+            .await
+            .values()
+            .filter(|p| p.user_id == user_id)
+            .cloned()
+            .collect::<_>())
+    }
+
+    async fn create_project(
+        &self,
+        context: &Context,
+        mutation: CreateProjectMutation,
+    ) -> anyhow::Result<ProjectDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let mut ps = self.project_store.lock().await;
+        let project = ProjectDto {
+            id: uuid::Uuid::new_v4(),
+            name: mutation.name,
+            description: None,
+            user_id,
+        };
+
+        ps.insert(project.id.to_string(), project.clone());
+        Ok(project)
+    }
+}

crates/como_infrastructure/src/services/user_service.rs

@@ -0,0 +1,95 @@
+use argon2::{password_hash::SaltString, Argon2, PasswordHash, PasswordHasher, PasswordVerifier};
+use axum::async_trait;
+use como_core::users::UserService;
+use como_domain::Context;
+use rand_core::OsRng;
+
+use crate::database::ConnectionPool;
+
+pub struct DefaultUserService {
+    pool: ConnectionPool,
+}
+
+impl DefaultUserService {
+    pub fn new(pool: ConnectionPool) -> Self {
+        Self { pool }
+    }
+
+    fn hash_password(&self, _context: &Context, password: String) -> anyhow::Result<String> {
+        let salt = SaltString::generate(&mut OsRng);
+        let argon2 = Argon2::default();
+
+        let password_hash = argon2
+            .hash_password(password.as_bytes(), &salt)
+            .map_err(|e| anyhow::anyhow!(e))?
+            .to_string();
+
+        Ok(password_hash)
+    }
+
+    fn validate_password(
+        &self,
+        _context: &Context,
+        password: String,
+        hashed_password: String,
+    ) -> anyhow::Result<bool> {
+        let argon2 = Argon2::default();
+
+        let parsed_hash = PasswordHash::new(&hashed_password).map_err(|e| anyhow::anyhow!(e))?;
+        match argon2.verify_password(password.as_bytes(), &parsed_hash) {
+            Ok(..) => Ok(true),
+            Err(..) => Ok(false),
+        }
+    }
+}
+
+#[async_trait]
+impl UserService for DefaultUserService {
+    async fn add_user(
+        &self,
+        context: &Context,
+        username: String,
+        password: String,
+    ) -> anyhow::Result<String> {
+        let hashed_password = self.hash_password(context, password)?;
+
+        let rec = sqlx::query!(
+            r#"
+            INSERT INTO users (username, password_hash) 
+            VALUES ( $1, $2 ) 
+            RETURNING id
+            "#,
+            username,
+            hashed_password
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(rec.id.to_string())
+    }
+
+    async fn validate_user(
+        &self,
+        context: &Context,
+        username: String,
+        password: String,
+    ) -> anyhow::Result<Option<String>> {
+        let rec = sqlx::query!(
+            r#"
+            SELECT * from users
+            where username=$1
+            "#,
+            username,
+        )
+        .fetch_optional(&self.pool)
+        .await?;
+
+        match rec {
+            Some(user) => match self.validate_password(context, password, user.password_hash)? {
+                true => Ok(Some(user.id.to_string())),
+                false => Ok(None),
+            },
+            None => Ok(None),
+        }
+    }
+}