Fix: Remove port mappings for Coolify/Traefik compatibility

docker-compose.yml

@@ -14,8 +14,8 @@ services:
     volumes:
       - postgres_data:/var/lib/postgresql/data
       - ./init-scripts:/docker-entrypoint-initdb.d
-    ports:
-      - "5432:5432"
+    # ports:
+    #   - "5432:5432"  # Commented for Coolify - not needed with Traefik
     networks:
       - ebook_network
     healthcheck:
@@ -60,8 +60,13 @@ services:
       # Server
       HOST: 0.0.0.0
       PORT: 8000
-    ports:
-      - "8000:8000"
+    # ports:
+    #   - "8000:8000"  # Commented for Coolify - Traefik handles routing
+    expose:
+      - "8000"  # Internal exposure only, Traefik will route to this
+    labels:
+      - "coolify.managed=true"
+      - "coolify.type=application"
     volumes:
       # Pre persistenciu logov a translation súborov
       - backend_logs:/app/admin-backend/logs