fix(postgres): 显式指定 Volumes_Path 和 initdb 编码

- env.cfg.example 新增 Volumes_Path=/data/volumes/postgres
- prod.stack.yml 卷路径改用 ${Volumes_Path} 变量
- pgvector.stack.yml 补充部署命令注释并设置默认认证方式
- redis env.cfg.example 补充数据目录创建说明

dbSer/postgres/pgvector.stack.yml

@@ -1,4 +1,10 @@
+# mkdir -pv /data/volumes/postgres/pgdata
+# pull:: docker compose --env-file ./dbSer/postgres/env.cfg -f ./dbSer/postgres/prod.stack.yml pull
+#run::  docker compose -p prod-dbs  --env-file ./dbSer/postgres/env.cfg -f ./dbSer/postgres/prod.stack.yml up -d
+
+
 services:
+
   pgvector:
     image: ${IMAGE_TAG_PGVECTOR_PG18}
     container_name: dbs_pgvector
@@ -8,8 +14,8 @@ services:
       - "5432:5432"
     environment:
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
-      - POSTGRES_HOST_AUTH_METHOD=${POSTGRES_HOST_AUTH_METHOD}
-      - POSTGRES_INITDB_ARGS=--auth-host=${POSTGRES_HOST_AUTH_METHOD}
+      - POSTGRES_HOST_AUTH_METHOD=${POSTGRES_HOST_AUTH_METHOD:-scram-sha-256}
+      - POSTGRES_INITDB_ARGS=--encoding=UTF8 --locale=C --auth-host=${POSTGRES_HOST_AUTH_METHOD:-scram-sha-256}
       - PGDATA=/var/lib/postgresql/data/pgdata
     volumes:
       - ${Volumes_Path}/pgdata:/var/lib/postgresql/data