feat(server): wire config, database, and HTTP serving

crates/server/tests/serve.rs

@@ -0,0 +1,37 @@
+use std::net::SocketAddr;
+
+use api::AppState;
+use db::Db;
+use server::serve;
+use tokio::net::TcpListener;
+
+#[tokio::test]
+async fn serves_health_live_over_tcp() {
+    let database_url =
+        std::env::var("DATABASE_URL").expect("DATABASE_URL must be set for this test");
+    let db = Db::connect(&database_url)
+        .await
+        .expect("connect to database");
+    let state = AppState {
+        db,
+        app_name: "Test".to_string(),
+    };
+
+    let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
+    let addr: SocketAddr = listener.local_addr().unwrap();
+
+    let handle = tokio::spawn(async move {
+        serve(listener, state).await.unwrap();
+    });
+
+    let url = format!("http://{addr}/health/live");
+    let body: serde_json::Value = reqwest::get(&url)
+        .await
+        .expect("request succeeds")
+        .json()
+        .await
+        .expect("json body");
+    assert_eq!(body["status"], "ok");
+
+    handle.abort();
+}