refactor(docker): remove exposed ports for postgres and redis services

docker-compose.yml

@@ -12,8 +12,6 @@ services:
       TZ: Asia/Shanghai
     volumes:
       - postgres_data:/var/lib/postgresql/data
-    ports:
-      - "${DB_PORT:-5432}:5432"
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U postgres"]
       interval: 5s
@@ -27,8 +25,6 @@ services:
     command: redis-server --appendonly yes --requirepass ${REDIS_PASSWORD}
     volumes:
       - redis_data:/data
-    ports:
-      - "${REDIS_PORT:-6379}:6379"
     healthcheck:
       test: ["CMD", "redis-cli", "--raw", "incr", "ping"]
       interval: 5s