Fix: remove image:, single container with StaticFiles

docker-compose.yml

@@ -1,23 +1,15 @@
 services:
-  backend:
+  app:
     build:
       context: ./backend
       dockerfile: Dockerfile.backend
-    image: wochenplaner-backend:latest
     restart: unless-stopped
     environment:
-      - PORT=8000
+      - PORT=80
       - JWT_SECRET=${SERVICE_BASE64_64_JWT:-wochenplaner-jwt-secret}
     volumes:
       - wochenplaner_data:/app/data
 
-  frontend:
-    image: nginx:alpine
-    restart: unless-stopped
-    volumes:
-      - ./frontend:/var/www/html:ro
-      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
-
 volumes:
   wochenplaner_data:
     driver: local