feat(docker): add admin-backend service to docker-compose.local.yml

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker/docker-compose.local.yml

@@ -235,6 +235,40 @@ services:
         reservations:
           memory: 256M
 
+  # ==================== Admin Backend ====================
+  admin-backend:
+    image: topfans/admin-backend:latest
+    build:
+      context: ../../TopFans-activity
+      dockerfile: docker/Dockerfile.admin
+    container_name: topfans-admin-backend
+    restart: unless-stopped
+    environment:
+      <<: *common-env
+      DB_HOST: host.docker.internal
+      DB_PORT: 15432
+      DB_USER: postgres
+      DB_PASSWORD: ${DB_PASSWORD:-123456}
+      DB_NAME: ${DB_NAME:-top-fans}
+    networks:
+      - topfans-net
+    ports:
+      - "8081:8081"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    healthcheck:
+      test: ["CMD-SHELL", "nc -z localhost 8081 || exit 1"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
+    deploy:
+      resources:
+        limits:
+          memory: 512M
+        reservations:
+          memory: 256M
+
 networks:
   topfans-net:
     driver: bridge