Fix docker-compose.yml: use runtime image, remove duplicate services, fix JWT_SECRET default value

backend/docker-compose.yml

@@ -1,28 +1,23 @@
 services:
   backend:
-    build:
+    image: normogen-backend:runtime
-      context: .
-      dockerfile: docker/Dockerfile
-      args:
-        BUILDKIT_INLINE_CACHE: 0
-    pull_policy: build
     container_name: normogen-backend
     ports:
-      - 8001:8000
+      - "8001:8000"
     environment:
       - RUST_LOG=info
       - SERVER_PORT=8000
       - SERVER_HOST=0.0.0.0
       - MONGODB_URI=mongodb://mongodb:27017
       - MONGODB_DATABASE=normogen
-      - JWT_SECRET=${JWT_SECRET:-please-change-this-in-production}
+      - JWT_SECRET=${JWT_SECRET:-please-change-this-in-production-at-least-32-characters}
     depends_on:
       mongodb:
         condition: service_healthy
     networks:
       - normogen-network
     restart: unless-stopped
-    dns_search: []
+
   mongodb:
     image: mongo:6.0
     container_name: normogen-mongodb
@@ -39,10 +34,11 @@ services:
       retries: 5
       start_period: 40s
     restart: unless-stopped
-    dns_search: []
+
 volumes:
   mongodb_data:
     driver: local
+
 networks:
   normogen-network:
     driver: bridge