Harden Docker deployment tiers

docker-compose.yml

@@ -22,7 +22,6 @@ services:
     # 方式二：Docker Hub 备用（GHCR 拉取慢或不可用时使用）
     # image: shukbet/mediastationgo:latest
 
-    container_name: mediastation-go
     restart: unless-stopped
     init: true
     depends_on:
@@ -122,7 +121,6 @@ services:
 
   postgres:
     image: postgres:16-alpine
-    container_name: mediastation-postgres
     restart: unless-stopped
     environment:
       POSTGRES_DB: mediastation
@@ -133,7 +131,7 @@ services:
       # PostgreSQL 主数据目录。升级/重建容器时必须保留。
       - ./postgres:/var/lib/postgresql/data
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U mediastation -d mediastation"]
+      test: ["CMD-SHELL", "pg_isready -h 127.0.0.1 -U mediastation -d mediastation"]
       interval: 10s
       timeout: 5s
       retries: 10