update docker port

api/.env.staging

@@ -1,5 +1,6 @@
 LIFE_ECHO_API_HOST_BIND=0.0.0.0
 LIFE_ECHO_API_HOST_PORT=8000
+POSTGRES_HOST_PORT=15432
 
 # =============================================================================
 # Life Echo API — staging（预发）

api/docker-compose.yml

@@ -4,7 +4,7 @@ services:
     image: m.daocloud.io/docker.io/pgvector/pgvector:pg17
     container_name: life-echo-postgres
     ports:
-      - "127.0.0.1:5432:5432"  # 仅绑定 localhost，通过 SSH 隧道访问
+      - "127.0.0.1:${POSTGRES_HOST_PORT:-5432}:5432"  # 仅绑定 localhost，通过 SSH 隧道访问
     environment:
       POSTGRES_USER: ${POSTGRES_USER:-postgres}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}