Production deployment fixes and enhancements

- Added environment variable loading with python-dotenv
- Fixed Docker session permissions by using /tmp directory
- Updated .dockerignore to include .env file properly
- Enhanced docker-compose.yml with env_file directive
- Fixed Gunicorn configuration for Docker compatibility
- Updated README.md with comprehensive deployment docs
- Cleaned up debug logging from API routes
- Added DOMAIN_SETUP.md for reverse proxy guidance
- All production issues resolved and tested working
- Application now accessible at qr.moto-adv.com

docker-compose.yml

@@ -6,17 +6,17 @@ services:
     container_name: qr-code-manager
     restart: unless-stopped
     ports:
-      - "5000:5000"
+      - "8066:5000"
+    env_file:
+      - .env
     environment:
       - FLASK_ENV=production
-      - SECRET_KEY=${SECRET_KEY:-your-super-secret-key-change-me}
-      - ADMIN_USERNAME=${ADMIN_USERNAME:-admin}
-      - ADMIN_PASSWORD=${ADMIN_PASSWORD:-admin123}
     volumes:
-      - qr_data:/app/app/static/qr_codes
-      - logo_data:/app/app/static/logos
-      - session_data:/app/flask_session
-      - persistent_data:/app/data
+      # Map to specific folders on your host system
+      - /opt/qr/qr_codes:/app/app/static/qr_codes
+      - /opt/qr/logos:/app/app/static/logos
+      - /opt/qr/sessions:/app/flask_session
+      - /opt/qr/persistent:/app/data
     healthcheck:
       test: ["CMD", "python", "-c", "import requests; requests.get('http://localhost:5000/health')"]
       interval: 30s
@@ -27,16 +27,6 @@ services:
       - "com.example.description=QR Code Manager Application"
       - "com.example.service=qr-manager"
 
-volumes:
-  qr_data:
-    driver: local
-  logo_data:
-    driver: local
-  session_data:
-    driver: local
-  persistent_data:
-    driver: local
-
 networks:
   default:
     name: qr-manager-network