fix docker networks

docker-compose.yml

@@ -12,7 +12,7 @@ services:
       - postgres_data_prod:/var/lib/postgresql/data
       - ./backend/src/database/migrations:/docker-entrypoint-initdb.d:ro
     networks:
-      - feuerwehr_network
+      - dashboard-backend
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-prod_user} -d ${POSTGRES_DB:-feuerwehr_prod}"]
       interval: 10s
@@ -47,7 +47,7 @@ services:
       postgres:
         condition: service_healthy
     networks:
-      - feuerwehr_network
+      - dashboard-backend
     healthcheck:
       test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:3000/health"]
       interval: 30s
@@ -78,8 +78,8 @@ services:
       backend:
         condition: service_healthy
     networks:
-      - feuerwehr_network
-      - traefik_frontend
+      - frontend
+      - dashboard-backend
     healthcheck:
       test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:80"]
       interval: 30s
@@ -93,8 +93,6 @@ volumes:
     driver: local
 
 networks:
-  feuerwehr_network:
-    driver: bridge
-  traefik_frontend:
+  frontend:
     external: true
-    name: frontend
+  dashboard-backend: