fix: start HTTP server before background init to prevent bad gateway

src/index.ts

@@ -21,7 +21,44 @@ import cuid from "cuid";
 // Setup global event debugger in non-production environments
 if (Bun.env.NODE_ENV == "development") setupEventDebugger();
 
+// Helper to run a startup sync safely — failures are logged but never crash the process.
+const safeStartup = async (label: string, fn: () => Promise<void>) => {
+  try {
+    await fn();
+  } catch (err) {
+    console.error(
+      `[startup] ${label} failed — will retry on next interval`,
+      err,
+    );
+  }
+};
+
+// ---------------------------------------------------------------------------
+// Start the HTTP server FIRST so the pod is reachable immediately.
+// All data-sync tasks run afterwards and are non-blocking.
+// ---------------------------------------------------------------------------
+Bun.serve({
+  port: PORT,
+  websocket: engine.handler().websocket,
+  fetch: (req, server) => {
+    const url = new URL(req.url);
+
+    if (url.pathname.startsWith("/socket.io/")) {
+      return engine.handleRequest(req, server as any);
+    }
+
+    return app.fetch(req, server);
+  },
+});
+
+console.log(`[startup] Server listening on port ${PORT}`);
+
+// ---------------------------------------------------------------------------
+// Background initialisation — none of this blocks the server.
+// ---------------------------------------------------------------------------
+
 // Ensure administrator role exists
+await safeStartup("ensureAdminRole", async () => {
   const existingAdmin = await prisma.role.findFirst({
     where: { moniker: "administrator" },
     include: { users: { include: { roles: true } } },
@@ -44,18 +81,7 @@ if (!existingAdmin) {
     });
     events.emit("role:created", new RoleController(created));
   }
-
-// Helper to run a startup sync safely — failures are logged but never crash the process.
-const safeStartup = async (label: string, fn: () => Promise<void>) => {
-  try {
-    await fn();
-  } catch (err) {
-    console.error(
-      `[startup] ${label} failed — will retry on next interval`,
-      err,
-    );
-  }
-};
+});
 
 // Refresh the internal list of companies every minute
 await safeStartup("refreshCompanies", refreshCompanies);
@@ -98,17 +124,3 @@ setInterval(() => {
     .syncSites()
     .catch((err) => console.error("[interval] syncSites failed", err));
 }, 60 * 1000);
-
-Bun.serve({
-  port: PORT,
-  websocket: engine.handler().websocket,
-  fetch: (req, server) => {
-    const url = new URL(req.url);
-
-    if (url.pathname.startsWith("/socket.io/")) {
-      return engine.handleRequest(req, server as any);
-    }
-
-    return app.fetch(req, server);
-  },
-});