refactor(couchdb): 更新配置文件和部署脚本以支持环境变量

- 在env.cfg中添加COUCHDB_PORT、COUCHDB_USER等环境变量配置
- 修改stack.yml使用环境变量配置端口、用户认证和卷路径
- 添加部署说明注释

dbSer/couchdb/stack.yml

@@ -1,17 +1,23 @@
+# couchdb 服务
+# mkdir -pv /data/volumes/couchdb/data && mkdir -pv /data/volumes/couchdb/etc/local.d
+# cp -a ./dbSer/couchdb/etc/couchdb/local.d/local.ini /data/volumes/couchdb/etc/local.d/
+# PULL:: docker compose -p couchdb --env-file ./dbSer/couchdb/env.cfg  -f dbSer/couchdb/stack.yml pull
+# RUN:: docker compose -p couchdb --env-file ./dbSer/couchdb/env.cfg  -f dbSer/couchdb/stack.yml up -d
+
 services:
   couchdb:
     image: ${IMAGE_TAG:-couchdb:3.5}
     container_name: couchdb
     restart: unless-stopped
     ports:
-      - 5984:5984
+      - ${COUCHDB_PORT:-5984}:5984
     volumes:
-      - ./etc/couchdb/local.d:/opt/couchdb/etc/local.d
-      - ./couchdb:/opt/couchdb/data
+      - ${Volumes_Path:-./couchdb}/etc/local.d:/opt/couchdb/etc/local.d
+      - ${Volumes_Path:-./couchdb}/data:/opt/couchdb/data
     environment:
       TZ: Asia/Shanghai
       PUID: 99
       PGID: 100
       UMASK: 0022
-      COUCHDB_USER: your_custom_user
-      COUCHDB_PASSWORD: your_strong_password
+      COUCHDB_USER: ${COUCHDB_USER:-admin}
+      COUCHDB_PASSWORD: ${COUCHDB_PASSWORD:-123456}