I am getting 502 error but logs does not show any error

my project has two applications frontend and backend. backend connected to postgres

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Dec 20, 2025, 4:15 PM

Starting Container

[2025-12-20 10:45:49] [INFO] Frontend URL: https://instagram-reel-automation-production.up.railway.app/

[2025-12-20 10:45:49] [INFO] Python version: 3.11.14 (main, Dec 8 2025, 23:39:47) [GCC 14.2.0]

[2025-12-20 10:45:49] [INFO] ============================================================

Uvicorn will run in foreground to keep container alive...

DATABASE_URL: SET

FRONTEND_URL: https://instagram-reel-automation-production.up.railway.app/

=========================================

[2025-12-20 10:45:49] [INFO] ============================================================

[2025-12-20 10:45:49] [INFO] Environment: production

✓ Frontend static files found

[2025-12-20 10:45:49] [INFO] Production mode: True

[2025-12-20 10:45:49] [INFO] Starting InstaReel Backend Application

total 16

drwxr-xr-x 3 root root 4096 Dec 20 10:03 .

drwxr-xr-x 1 root root 4096 Dec 20 10:36 ..

drwxr-xr-x 2 root root 4096 Dec 20 10:03 assets

-rw-r--r-- 1 root root 760 Dec 20 10:03 index.html

=========================================

Starting uvicorn server...

Starting InstaReel Backend API

=========================================

PORT: 8080

[2025-12-20 10:45:49] [INFO] Working directory: /app

[2025-12-20 10:45:49] [INFO] Script location: /app

[INFO] CORS configured for: https://instagram-reel-automation-production.up.railway.app/ (Production mode)

[2025-12-20 10:45:49] [INFO] [STATIC] Setting up static file serving...

[2025-12-20 10:45:49] [INFO] [STATIC] Checking for static directory at: /app/static

[2025-12-20 10:45:49] [INFO] [STATIC] Static directory exists: True

[2025-12-20 10:45:49] [INFO] [STATIC] Absolute path: /app/static

[2025-12-20 10:45:49] [INFO] [STATIC] Static directory contents: ['assets', 'index.html']

[2025-12-20 10:45:49] [INFO] [STATIC] index.html exists: True

[2025-12-20 10:45:49] [INFO] [STATIC] index.html size: 760 bytes

[2025-12-20 10:45:49] [INFO] [STATIC] assets directory exists: True

[2025-12-20 10:45:49] [INFO] [STATIC] assets directory contents (first 5): ['index-iEBHyi04.css', 'index-DxIkU1mk.js']

[2025-12-20 10:45:49] [INFO] [STATIC] ✓ Mounted /assets from /app/static/assets

INFO: Started server process [1]

INFO: Waiting for application startup.

[2025-12-20 10:45:49] [INFO] ============================================================

[2025-12-20 10:45:49] [INFO] [STARTUP] Initializing application...

[2025-12-20 10:45:49] [INFO] ============================================================

[2025-12-20 10:45:49] [INFO] [STARTUP] Environment check:

[2025-12-20 10:45:49] [INFO] - ENVIRONMENT: production

[2025-12-20 10:45:49] [INFO] - FRONTEND_URL: https://instagram-reel-automation-production.up.railway.app/

[2025-12-20 10:45:49] [INFO] - DATABASE_URL: SET

[2025-12-20 10:45:49] [INFO] - PORT: 8080

[2025-12-20 10:45:49] [INFO] [STARTUP] Waiting 2 seconds for services to be ready...

[2025-12-20 10:45:51] [INFO] [STARTUP] Database initialization attempt 1/3...

[2025-12-20 10:45:51] [INFO] [DB INIT] Starting database initialization...

[2025-12-20 10:45:51] [INFO] [DB] Connecting to: trolley.proxy.rlwy.net:14945

[2025-12-20 10:45:51] [INFO] [DB] ✓ Connection established successfully

[2025-12-20 10:45:51] [INFO] [DB INIT] ✓ Database tables initialized successfully

[2025-12-20 10:45:51] [INFO] [STARTUP] ✓ Database initialized successfully

[2025-12-20 10:45:51] [INFO] ============================================================

[2025-12-20 10:45:51] [INFO] [STARTUP] ✓ Application started in production mode

[2025-12-20 10:45:51] [INFO] [STARTUP] ✓ Frontend URL: https://instagram-reel-automation-production.up.railway.app/

[2025-12-20 10:45:51] [INFO] [STARTUP] ✓ All systems ready

[2025-12-20 10:45:51] [INFO] ============================================================

INFO: Application startup complete.

INFO: Uvicorn running on http://0.0.0.0:8080 (Press CTRL+C to quit)

[2025-12-20 10:45:52] [INFO] [HEALTH] Health check requested

[2025-12-20 10:45:52] [INFO] [DB] Connecting to: trolley.proxy.rlwy.net:14945

[2025-12-20 10:45:52] [INFO] [DB] ✓ Connection established successfully

[2025-12-20 10:45:52] [INFO] [HEALTH] Database: connected

[2025-12-20 10:45:52] [INFO] [HEALTH] Static files: found, index.html: found

[2025-12-20 10:45:52] [INFO] [HEALTH] Returning response: {'status': 'ok', 'service': 'InstaReel Backend API', 'environment': 'production', 'database': 'connected', 'static_files': 'found', 'index_html': 'found', 'version': '1.0.0'}

INFO: 100.64.0.2:48361 - "GET /api/health HTTP/1.1" 200 OK