Refactor project to transition from Rust backend to Node.js with Fastify; update Dockerfile and Docker configurations for new build process; enhance local development instructions in CONTRIBUTING.md; implement health checks in Docker Compose; update pnpm-lock.yaml with new dependencies for API and shared packages; revise README.md to reflect new stack and development setup.

apps/api/test/health.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from "vitest";
+import { buildApp } from "../src/app.js";
+import { loadConfig } from "../src/config.js";
+
+describe("health", () => {
+  it("GET /health returns ok", async () => {
+    const app = await buildApp({
+      config: { ...loadConfig(), staticDir: null },
+      memory: true,
+    });
+
+    const res = await app.inject({ method: "GET", url: "/health" });
+    expect(res.statusCode).toBe(200);
+    expect(res.json()).toEqual({ status: "ok" });
+
+    await app.close();
+  });
+
+  it("GET /ready returns database status", async () => {
+    const app = await buildApp({
+      config: { ...loadConfig(), staticDir: null },
+      memory: true,
+    });
+
+    const res = await app.inject({ method: "GET", url: "/ready" });
+    expect(res.statusCode).toBe(200);
+    const body = res.json();
+    expect(body.database).toBe(true);
+    expect(["ready", "degraded"]).toContain(body.status);
+
+    await app.close();
+  });
+});