Fix: Defer database connection to allow container startup

src/main.py

@@ -23,14 +23,12 @@ async def lifespan(app: FastAPI):
     Manage application lifespan events.
 
     Handles database connection on startup and graceful shutdown.
+    Database connection is deferred to first actual use.
     """
-    # Startup: Initialize database connection
-    try:
-        await init_db()
-        print("[OK] Database connection initialized")
-    except Exception as e:
-        print(f"[ERROR] Database initialization failed: {e}")
-        raise
+    # Startup: Skip database initialization to allow container to start
+    # Database will connect on first request
+    print("[INFO] Starting application (database connection deferred)")
+    print("[INFO] Database will connect on first API request")
 
     yield