feat: add base

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

crates/nodata/.gitignore

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+/target

crates/nodata/Cargo.toml

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+[package]
+name = "nodata"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+anyhow.workspace = true
+tokio.workspace = true
+tracing.workspace = true
+tracing-subscriber.workspace = true
+clap.workspace = true
+dotenv.workspace = true
+axum.workspace = true
+
+serde = { version = "1.0.197", features = ["derive"] }
+sqlx = { version = "0.7.3", features = ["runtime-tokio", "tls-rustls", "postgres", "uuid", "time"] }
+uuid = { version = "1.7.0", features = ["v4"] }
+tower-http = { version = "0.5.2", features = ["cors", "trace"] }

crates/nodata/migrations/crdb/20240201211013_initial.sql

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+-- Add migration script here

crates/nodata/src/main.rs

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+use std::{net::SocketAddr, ops::Deref, sync::Arc};
+
+use anyhow::Context;
+use axum::extract::MatchedPath;
+use axum::http::Request;
+use axum::Router;
+use axum::routing::get;
+use clap::{Parser, Subcommand};
+use sqlx::{Pool, Postgres};
+use tower_http::trace::TraceLayer;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None, subcommand_required = true)]
+struct Command {
+    #[command(subcommand)]
+    command: Option<Commands>,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    Serve {
+        #[arg(env = "SERVICE_HOST", long, default_value = "127.0.0.1:3000")]
+        host: SocketAddr,
+    },
+}
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    dotenv::dotenv().ok();
+    tracing_subscriber::fmt::init();
+
+    let cli = Command::parse();
+
+    if let Some(Commands::Serve { host }) = cli.command {
+        tracing::info!("Starting service");
+
+        let state = SharedState(Arc::new(State::new().await?));
+
+        let app = Router::new()
+            .route("/", get(root))
+            .with_state(state.clone())
+            .layer(
+                TraceLayer::new_for_http().make_span_with(|request: &Request<_>| {
+                    // Log the matched route's path (with placeholders not filled in).
+                    // Use request.uri() or OriginalUri if you want the real path.
+                    let matched_path = request
+                        .extensions()
+                        .get::<MatchedPath>()
+                        .map(MatchedPath::as_str);
+
+                    tracing::info_span!(
+                        "http_request",
+                        method = ?request.method(),
+                        matched_path,
+                        some_other_field = tracing::field::Empty,
+                    )
+                }), // ...
+            );
+
+        tracing::info!("listening on {}", host);
+        let listener = tokio::net::TcpListener::bind(host).await.unwrap();
+        axum::serve(listener, app.into_make_service())
+            .await
+            .unwrap();
+    }
+
+    Ok(())
+}
+
+async fn root() -> &'static str {
+    "Hello, nodata!"
+}
+
+#[derive(Clone)]
+pub struct SharedState(Arc<State>);
+
+impl Deref for SharedState {
+    type Target = Arc<State>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub struct State {
+    pub db: Pool<Postgres>,
+}
+
+impl State {
+    pub async fn new() -> anyhow::Result<Self> {
+        let db = sqlx::PgPool::connect(
+            &std::env::var("DATABASE_URL").context("DATABASE_URL is not set")?,
+        )
+        .await?;
+
+        sqlx::migrate!("migrations/crdb")
+            .set_locking(false)
+            .run(&db)
+            .await?;
+
+        let _ = sqlx::query("SELECT 1;").fetch_one(&db).await?;
+
+        Ok(Self { db })
+    }
+}
+