feat: add grpc server

Cargo.toml

@@ -1,3 +1,12 @@
 [workspace]
 resolver = "2"
 members = ["crates/*"]
+
+[workspace.dependencies]
+norun = { path = "./crates/norun" }
+norun-grpc-interface = { path = "./crates/norun-grpc-interface" }
+
+bytes = "1.10.1"
+prost = "0.13.5"
+prost-types = "0.13.5"
+tonic = "0.12.1"

buf.gen.yaml

@@ -0,0 +1,10 @@
+version: v2
+managed:
+  enabled: true
+plugins:
+- remote: buf.build/community/neoeinstein-prost:v0.4.0
+  out: ./crates/norun-grpc-interface/src/grpc/
+- remote: buf.build/community/neoeinstein-tonic:v0.4.0
+  out: ./crates/norun-grpc-interface/src/grpc/
+inputs:
+  - directory: ./interface/proto

buf.yaml

@@ -0,0 +1,4 @@
+version: v2
+modules:
+  - path: interface/proto
+    name: buf.build/noschemaplz/norun

crates/norun-grpc-interface/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "norun-grpc-interface"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+bytes = { workspace = true }
+prost = { workspace = true }
+prost-types = { workspace = true }
+tokio-util = "0.7.15"
+tonic = { workspace = true }

crates/norun-grpc-interface/src/grpc/norun.v1.rs

@@ -0,0 +1,26 @@
+// @generated
+// This file is @generated by prost-build.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PublishRequest {
+    #[prost(message, optional, tag="1")]
+    pub project: ::core::option::Option<Project>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct PublishResponse {
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Project {
+    #[prost(string, tag="1")]
+    pub name: ::prost::alloc::string::String,
+    #[prost(string, tag="2")]
+    pub image: ::prost::alloc::string::String,
+    #[prost(string, tag="3")]
+    pub version: ::prost::alloc::string::String,
+    #[prost(uint32, optional, tag="4")]
+    pub port: ::core::option::Option<u32>,
+}
+include!("norun.v1.tonic.rs");
+// @@protoc_insertion_point(module)

crates/norun-grpc-interface/src/grpc/norun.v1.tonic.rs

@@ -0,0 +1,291 @@
+// @generated
+/// Generated client implementations.
+pub mod registry_service_client {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    #[derive(Debug, Clone)]
+    pub struct RegistryServiceClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl RegistryServiceClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> RegistryServiceClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> RegistryServiceClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + Send + Sync,
+        {
+            RegistryServiceClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        pub async fn publish(
+            &mut self,
+            request: impl tonic::IntoRequest<super::PublishRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::PublishResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/norun.v1.RegistryService/Publish",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("norun.v1.RegistryService", "Publish"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated server implementations.
+pub mod registry_service_server {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    /// Generated trait containing gRPC methods that should be implemented for use with RegistryServiceServer.
+    #[async_trait]
+    pub trait RegistryService: Send + Sync + 'static {
+        async fn publish(
+            &self,
+            request: tonic::Request<super::PublishRequest>,
+        ) -> std::result::Result<tonic::Response<super::PublishResponse>, tonic::Status>;
+    }
+    #[derive(Debug)]
+    pub struct RegistryServiceServer<T: RegistryService> {
+        inner: _Inner<T>,
+        accept_compression_encodings: EnabledCompressionEncodings,
+        send_compression_encodings: EnabledCompressionEncodings,
+        max_decoding_message_size: Option<usize>,
+        max_encoding_message_size: Option<usize>,
+    }
+    struct _Inner<T>(Arc<T>);
+    impl<T: RegistryService> RegistryServiceServer<T> {
+        pub fn new(inner: T) -> Self {
+            Self::from_arc(Arc::new(inner))
+        }
+        pub fn from_arc(inner: Arc<T>) -> Self {
+            let inner = _Inner(inner);
+            Self {
+                inner,
+                accept_compression_encodings: Default::default(),
+                send_compression_encodings: Default::default(),
+                max_decoding_message_size: None,
+                max_encoding_message_size: None,
+            }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> InterceptedService<Self, F>
+        where
+            F: tonic::service::Interceptor,
+        {
+            InterceptedService::new(Self::new(inner), interceptor)
+        }
+        /// Enable decompressing requests with the given encoding.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.accept_compression_encodings.enable(encoding);
+            self
+        }
+        /// Compress responses with the given encoding, if the client supports it.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.send_compression_encodings.enable(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.max_decoding_message_size = Some(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.max_encoding_message_size = Some(limit);
+            self
+        }
+    }
+    impl<T, B> tonic::codegen::Service<http::Request<B>> for RegistryServiceServer<T>
+    where
+        T: RegistryService,
+        B: Body + Send + 'static,
+        B::Error: Into<StdError> + Send + 'static,
+    {
+        type Response = http::Response<tonic::body::BoxBody>;
+        type Error = std::convert::Infallible;
+        type Future = BoxFuture<Self::Response, Self::Error>;
+        fn poll_ready(
+            &mut self,
+            _cx: &mut Context<'_>,
+        ) -> Poll<std::result::Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
+        }
+        fn call(&mut self, req: http::Request<B>) -> Self::Future {
+            let inner = self.inner.clone();
+            match req.uri().path() {
+                "/norun.v1.RegistryService/Publish" => {
+                    #[allow(non_camel_case_types)]
+                    struct PublishSvc<T: RegistryService>(pub Arc<T>);
+                    impl<
+                        T: RegistryService,
+                    > tonic::server::UnaryService<super::PublishRequest>
+                    for PublishSvc<T> {
+                        type Response = super::PublishResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::PublishRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as RegistryService>::publish(&inner, request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = PublishSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                _ => {
+                    Box::pin(async move {
+                        Ok(
+                            http::Response::builder()
+                                .status(200)
+                                .header("grpc-status", "12")
+                                .header("content-type", "application/grpc")
+                                .body(empty_body())
+                                .unwrap(),
+                        )
+                    })
+                }
+            }
+        }
+    }
+    impl<T: RegistryService> Clone for RegistryServiceServer<T> {
+        fn clone(&self) -> Self {
+            let inner = self.inner.clone();
+            Self {
+                inner,
+                accept_compression_encodings: self.accept_compression_encodings,
+                send_compression_encodings: self.send_compression_encodings,
+                max_decoding_message_size: self.max_decoding_message_size,
+                max_encoding_message_size: self.max_encoding_message_size,
+            }
+        }
+    }
+    impl<T: RegistryService> Clone for _Inner<T> {
+        fn clone(&self) -> Self {
+            Self(Arc::clone(&self.0))
+        }
+    }
+    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            write!(f, "{:?}", self.0)
+        }
+    }
+    impl<T: RegistryService> tonic::server::NamedService for RegistryServiceServer<T> {
+        const NAME: &'static str = "norun.v1.RegistryService";
+    }
+}

crates/norun-grpc-interface/src/lib.rs

@@ -0,0 +1,5 @@
+pub mod grpc {
+    include!("./grpc/norun.v1.rs");
+}
+
+pub use grpc::*;

crates/norun/Cargo.toml

@@ -4,8 +4,23 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+norun-grpc-interface.workspace = true
+
 anyhow = "1.0.98"
 clap = { version = "4.5.40", features = ["derive", "env"] }
+serde = { version = "1.0.219", features = ["derive"] }
 tokio = { version = "1.46.1", features = ["full"] }
+toml = "0.8.23"
 tracing = { version = "0.1.41", features = ["log"] }
 tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
+
+bytes = { workspace = true }
+prost = { workspace = true }
+prost-types = { workspace = true }
+tonic = { workspace = true }
+tokio-util = "0.7.15"
+async-trait = "0.1.88"
+notmad = "0.7.2"
+
+[dev-dependencies]
+pretty_assertions = "1.4.1"

crates/norun/src/cli.rs

@@ -1,29 +1,40 @@
 use clap::{Parser, Subcommand};
 
-use crate::cli::publish::PublishCommand;
+use crate::{
+    cli::{publish::PublishCommand, serve::ServeCommand},
+    state::ClientState,
+};
 
 mod publish;
+mod serve;
 
 #[derive(Parser)]
 #[command(author, version, about)]
 struct Cli {
     #[command(subcommand)]
     subcommands: CliSubcommands,
+
+    #[arg(
+        long = "server-url",
+        env = "NORUN_SERVER_URL",
+        default_value = "http://localhost:4242"
+    )]
+    server_url: String,
 }
 
 #[derive(Subcommand)]
 enum CliSubcommands {
     Publish(PublishCommand),
+    Serve(ServeCommand),
 }
 
 pub async fn execute() -> anyhow::Result<()> {
     let cmd = Cli::parse();
 
-    let state = State::new();
+    let state = ClientState::new(&cmd.server_url);
 
     match cmd.subcommands {
-        CliSubcommands::Publish(cmd) => cmd.execute(&state),
+        CliSubcommands::Publish(cmd) => cmd.execute(&state).await,
+        CliSubcommands::Serve(cmd) => cmd.execute().await,
     }
-
-    Ok(())
 }

crates/norun/src/cli/publish.rs

@@ -1,8 +1,26 @@
-#[derive(clap::Parser)]
-pub struct PublishCommand {}
+use std::path::PathBuf;
+
+use crate::{grpc_client::GrpcClientState, models::ProjectTag, project_file, state::ClientState};
+
+#[derive(clap::Parser, Debug)]
+pub struct PublishCommand {
+    #[arg(value_parser = clap::value_parser!(ProjectTag))]
+    project_tag: ProjectTag,
+
+    #[arg(long = "project-path", default_value = ".")]
+    project_path: PathBuf,
+}
 
 impl PublishCommand {
-    pub async fn execute(&self, state: &State) -> anyhow::Result<()> {
+    #[tracing::instrument(skip(state), level = "trace")]
+    pub async fn execute(&self, state: &ClientState) -> anyhow::Result<()> {
+        tracing::debug!("running norun publish");
+
+        let project_file = project_file::parse_file(&self.project_path).await?;
+
+        // FIXME: 2. Load resources
+        state.grpc_client().publish(&project_file).await?;
+
         Ok(())
     }
 }

crates/norun/src/cli/serve.rs

@@ -0,0 +1,31 @@
+use std::net::SocketAddr;
+
+use notmad::Mad;
+
+use crate::{grpc_server::GrpcServer, state::ServerState};
+
+#[derive(clap::Parser)]
+pub struct ServeCommand {
+    #[arg(
+        long = "grpc-host",
+        env = "NORUN_GRPC_HOST",
+        default_value = "127.0.0.1:4242"
+    )]
+    grpc_host: SocketAddr,
+}
+
+impl ServeCommand {
+    pub async fn execute(&self) -> anyhow::Result<()> {
+        let state = ServerState {};
+
+        Mad::builder()
+            .add(GrpcServer {
+                host: self.grpc_host,
+                state: state.clone(),
+            })
+            .run()
+            .await?;
+
+        Ok(())
+    }
+}

crates/norun/src/grpc_client.rs

@@ -0,0 +1,72 @@
+use norun_grpc_interface::{PublishRequest, registry_service_client::RegistryServiceClient};
+use tokio::sync::OnceCell;
+use tonic::transport::Channel;
+
+use crate::{project_file::ProjectFile, state::ClientState};
+
+pub struct GrpcClient {
+    url: String,
+    registry_client: OnceCell<RegistryServiceClient<Channel>>,
+}
+
+impl GrpcClient {
+    #[tracing::instrument(skip(self), level = "trace")]
+    pub async fn publish(&self, project_file: &ProjectFile) -> anyhow::Result<()> {
+        tracing::trace!("calling publish via. grpc on registry");
+
+        let mut registry_client = self.get_registry_client().await?;
+
+        let res = registry_client
+            .publish(PublishRequest {
+                project: Some(project_file.into()),
+            })
+            .await?;
+        let _res = res.into_inner();
+
+        Ok(())
+    }
+
+    async fn get_registry_client(&self) -> anyhow::Result<RegistryServiceClient<Channel>> {
+        let client = self
+            .registry_client
+            .get_or_try_init(move || async move {
+                let channel = Channel::from_shared(self.url.clone())?.connect().await?;
+                let client = RegistryServiceClient::new(channel);
+
+                Ok::<_, anyhow::Error>(client)
+            })
+            .await?;
+
+        Ok(client.clone())
+    }
+}
+
+impl From<&ProjectFile> for norun_grpc_interface::Project {
+    fn from(value: &ProjectFile) -> Self {
+        value.clone().into()
+    }
+}
+
+impl From<ProjectFile> for norun_grpc_interface::Project {
+    fn from(value: ProjectFile) -> Self {
+        Self {
+            name: value.project.name,
+            image: value.container.image,
+            version: value.container.version,
+            port: value.expose.and_then(|e| e.port),
+        }
+    }
+}
+
+pub trait GrpcClientState {
+    fn grpc_client(&self) -> GrpcClient;
+}
+
+impl GrpcClientState for ClientState {
+    fn grpc_client(&self) -> GrpcClient {
+        GrpcClient {
+            url: self.norun_server_url.clone(),
+            registry_client: OnceCell::default(),
+        }
+    }
+}

crates/norun/src/grpc_server.rs

@@ -0,0 +1,47 @@
+use std::net::SocketAddr;
+
+use norun_grpc_interface::registry_service_server::RegistryServiceServer;
+use notmad::MadError;
+use tokio_util::sync::CancellationToken;
+
+use crate::{grpc_server::registry::GrpcRegistryService, state::ServerState};
+
+mod registry;
+
+pub struct GrpcServer {
+    pub host: SocketAddr,
+    pub state: ServerState,
+}
+
+impl GrpcServer {
+    pub async fn serve(&self, cancellation_token: CancellationToken) -> anyhow::Result<()> {
+        tracing::info!("serving grpc on {}", self.host);
+
+        tonic::transport::Server::builder()
+            .add_service(RegistryServiceServer::new(GrpcRegistryService {
+                state: self.state.clone(),
+            }))
+            .serve_with_shutdown(
+                self.host,
+                async move { cancellation_token.cancelled().await },
+            )
+            .await?;
+
+        Ok(())
+    }
+}
+
+#[async_trait::async_trait]
+impl notmad::Component for GrpcServer {
+    fn name(&self) -> Option<String> {
+        Some("norun/gprc-server".into())
+    }
+
+    async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> {
+        self.serve(cancellation_token)
+            .await
+            .map_err(MadError::Inner)?;
+
+        Ok(())
+    }
+}

crates/norun/src/grpc_server/registry.rs

@@ -0,0 +1,33 @@
+use norun_grpc_interface::{registry_service_server::RegistryService, *};
+
+use crate::{server::services::registry::RegistryServiceState, state::ServerState};
+
+pub struct GrpcRegistryService {
+    pub state: ServerState,
+}
+
+#[async_trait::async_trait]
+impl RegistryService for GrpcRegistryService {
+    #[tracing::instrument(skip(self), level = "debug")]
+    async fn publish(
+        &self,
+        request: tonic::Request<PublishRequest>,
+    ) -> std::result::Result<tonic::Response<PublishResponse>, tonic::Status> {
+        tracing::debug!("publish called");
+
+        let req = request.into_inner();
+
+        let project = req
+            .project
+            .ok_or(tonic::Status::invalid_argument("a project is required"))?;
+
+        self.state
+            .registry_service()
+            .store(&project)
+            .await
+            .inspect_err(|e| tracing::warn!("failed to handle storage of registry item: {}", e))
+            .map_err(|e| tonic::Status::internal(e.to_string()))?;
+
+        Ok(tonic::Response::new(PublishResponse {}))
+    }
+}

crates/norun/src/main.rs

@@ -1,6 +1,14 @@
 use tracing_subscriber::EnvFilter;
 
 mod cli;
+mod models;
+mod project_file;
+mod state;
+
+mod server;
+
+mod grpc_client;
+mod grpc_server;
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {

crates/norun/src/models.rs

@@ -0,0 +1,2 @@
+pub mod project_tag;
+pub use project_tag::*;

crates/norun/src/models/project_tag.rs

@@ -0,0 +1,110 @@
+use std::str::FromStr;
+
+// ProjectTag can be a destination@name:version
+#[derive(Clone, Debug, PartialEq)]
+pub struct ProjectTag {
+    pub destination: String,
+    pub name: String,
+    pub version: String,
+}
+
+impl FromStr for ProjectTag {
+    type Err = anyhow::Error;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let (destination, rest) = s.split_once('@').ok_or(anyhow::anyhow!("failed to find an '@' in your project tag, make sure it looks like 'destination@name:version'"))?;
+        if destination.is_empty() {
+            anyhow::bail!("destination is required like so 'destination@name:version'");
+        }
+
+        let (name, version) = rest.split_once(':').ok_or(anyhow::anyhow!("failed to find an ':' in your project tag, make sure it looks like 'destination@name:version'"))?;
+        if name.is_empty() {
+            anyhow::bail!("name is required like so 'destination@name:version'");
+        }
+        if version.is_empty() {
+            anyhow::bail!("version is required like so 'destination@name:version'");
+        }
+
+        Ok(Self {
+            destination: destination.to_string(),
+            name: name.to_string(),
+            version: version.to_string(),
+        })
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use std::str::FromStr;
+
+    use crate::models::ProjectTag;
+
+    #[test]
+    fn happy_path() -> anyhow::Result<()> {
+        let raw = "destination@name:version";
+        let expected = ProjectTag {
+            destination: "destination".to_string(),
+            name: "name".to_string(),
+            version: "version".to_string(),
+        };
+
+        let actual = ProjectTag::from_str(raw)?;
+
+        pretty_assertions::assert_eq!(expected, actual);
+
+        Ok(())
+    }
+
+    #[test]
+    fn missing_destination_fails() -> anyhow::Result<()> {
+        let raw = "@name:version";
+
+        ProjectTag::from_str(raw).expect_err("test expected err");
+
+        Ok(())
+    }
+
+    #[test]
+    fn missing_destination_tag_fails() -> anyhow::Result<()> {
+        let raw = "name:version";
+
+        ProjectTag::from_str(raw).expect_err("test expected err");
+
+        Ok(())
+    }
+
+    #[test]
+    fn missing_name_fails() -> anyhow::Result<()> {
+        let raw = "destination@:version";
+
+        ProjectTag::from_str(raw).expect_err("test expected err");
+
+        Ok(())
+    }
+
+    #[test]
+    fn missing_name_tag_fails() -> anyhow::Result<()> {
+        let raw = "destination@:version";
+
+        ProjectTag::from_str(raw).expect_err("test expected err");
+
+        Ok(())
+    }
+    #[test]
+    fn missing_version_fails() -> anyhow::Result<()> {
+        let raw = "destination@name:";
+
+        ProjectTag::from_str(raw).expect_err("test expected err");
+
+        Ok(())
+    }
+
+    #[test]
+    fn missing_version_tag_fails() -> anyhow::Result<()> {
+        let raw = "destination@name:";
+
+        ProjectTag::from_str(raw).expect_err("test expected err");
+
+        Ok(())
+    }
+}

crates/norun/src/project_file.rs

@@ -0,0 +1,88 @@
+use std::path::Path;
+
+use anyhow::Context;
+use serde::Deserialize;
+
+const NORUN_PROJECT_FILE_NAME: &str = "norun.toml";
+
+#[derive(Clone, Debug, Deserialize, PartialEq)]
+pub struct ProjectFile {
+    pub project: ProjectDecl,
+    pub container: ContainerDecl,
+    pub expose: Option<ExposeDecl>,
+}
+
+#[derive(Clone, Debug, Deserialize, PartialEq)]
+pub struct ProjectDecl {
+    pub name: String,
+}
+
+#[derive(Clone, Debug, Deserialize, PartialEq)]
+pub struct ContainerDecl {
+    pub image: String,
+    pub version: String,
+}
+
+#[derive(Clone, Debug, Deserialize, PartialEq)]
+pub struct ExposeDecl {
+    pub port: Option<u32>,
+}
+
+pub fn parse(content: &str) -> anyhow::Result<ProjectFile> {
+    let project_file: ProjectFile = toml::from_str(content)?;
+
+    Ok(project_file)
+}
+
+pub async fn parse_file(path: &Path) -> anyhow::Result<ProjectFile> {
+    let path = if let Some(file_name) = path.file_name()
+        && file_name == NORUN_PROJECT_FILE_NAME
+    {
+        path
+    } else {
+        &path.join(NORUN_PROJECT_FILE_NAME)
+    };
+
+    let file = tokio::fs::read_to_string(path)
+        .await
+        .context("failed to read project file in the given directory")?;
+
+    parse(&file)
+}
+
+#[cfg(test)]
+mod test {
+    use crate::project_file::*;
+
+    #[test]
+    fn can_parse_file_happy_path() -> anyhow::Result<()> {
+        let raw = r#"
+[project]
+name = "hello-world"
+
+[container]
+image = "kasperhermansen/hello-world"
+version = "latest" # default
+
+[expose]
+port = 8080
+        "#;
+
+        let expected = ProjectFile {
+            project: ProjectDecl {
+                name: "hello-world".into(),
+            },
+            container: ContainerDecl {
+                image: "kasperhermansen/hello-world".into(),
+                version: "latest".into(),
+            },
+            expose: Some(ExposeDecl { port: Some(8080) }),
+        };
+
+        let actual = parse(raw)?;
+
+        pretty_assertions::assert_eq!(expected, actual);
+
+        Ok(())
+    }
+}

crates/norun/src/server.rs

@@ -0,0 +1 @@
+pub mod services;

crates/norun/src/server/services.rs

@@ -0,0 +1 @@
+pub mod registry;

crates/norun/src/server/services/registry.rs

@@ -0,0 +1,42 @@
+use std::{
+    collections::BTreeMap,
+    sync::{Arc, LazyLock},
+};
+
+use norun_grpc_interface::Project;
+use tokio::sync::Mutex;
+
+use crate::state::ServerState;
+
+#[derive(Clone)]
+pub struct RegistryService {
+    store: Arc<Mutex<Vec<Project>>>,
+}
+
+impl RegistryService {
+    pub async fn store(&self, project: &Project) -> anyhow::Result<()> {
+        tracing::debug!("storing project");
+
+        let mut store = self.store.lock().await;
+
+        store.push(project.clone());
+
+        tracing::debug!("currently has {} in storage", store.len());
+
+        Ok(())
+    }
+}
+
+pub trait RegistryServiceState {
+    fn registry_service(&self) -> RegistryService;
+}
+
+impl RegistryServiceState for ServerState {
+    fn registry_service(&self) -> RegistryService {
+        static SERVICE: LazyLock<RegistryService> = LazyLock::new(|| RegistryService {
+            store: Arc::default(),
+        });
+
+        SERVICE.clone()
+    }
+}

crates/norun/src/state.rs

@@ -0,0 +1,21 @@
+#[derive(Clone)]
+pub struct ClientState {
+    pub norun_server_url: String,
+}
+
+impl ClientState {
+    pub fn new(norun_server_url: &str) -> Self {
+        Self {
+            norun_server_url: norun_server_url.to_string(),
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct ServerState {}
+
+impl ServerState {
+    pub fn new() -> Self {
+        Self {}
+    }
+}

examples/hello-world/norun.toml

@@ -0,0 +1,9 @@
+[project]
+name = "hello-world"
+
+[container]
+image = "kasperhermansen/hello-world"
+version = "latest"
+
+[expose]
+port = 8080

interface/proto/norun/v1/registry.proto

@@ -0,0 +1,21 @@
+syntax = "proto3";
+
+package norun.v1;
+
+service RegistryService {
+  rpc Publish(PublishRequest) returns (PublishResponse) {}
+}
+
+message PublishRequest {
+  Project project = 1;
+}
+message PublishResponse {}
+
+message Project {
+  string name = 1;
+
+  string image = 2;
+  string version = 3;
+
+  optional uint32 port = 4;
+}