fix(docker): 优化域名解析和 Nginx 配置

- 添加循环检查 jmalcloud 主机名解析的功能，确保域名可用再启动 Nginx
-从 Nginx 配置中移除不必要的 DNS 解析设置 (resolver 指令)

docker-entrypoint.sh

@@ -11,4 +11,14 @@ else
 fi
 
 envsubst '${API_URL} ${API_OFFICE_URL}' < /var/www/public/config.js.template > /var/www/public/config.js
+
+# 循环检查，直到 jmalcloud 主机名可以被成功解析
+# 使用 getent hosts 是比 ping 更可靠的方式，因为它直接查询名称服务
+while ! getent hosts jmalcloud > /dev/null 2>&1; do
+  echo "jmalcloud is not yet resolvable, waiting 2 seconds..."
+  sleep 2
+done
+
+echo "jmalcloud is now resolvable. Starting Nginx..."
+
 exec "$@"

nginx/nginx.conf.no_office.template

@@ -16,8 +16,6 @@ http {
     include mime.types;
     default_type application/octet-stream;
 
-    resolver 127.0.0.11 valid=30s ipv6=off;
-
     # 日志
     #access_log /var/log/nginx/access.log main buffer=32k flush=5s;
     access_log off;

nginx/nginx.conf.template

@@ -16,8 +16,6 @@ http {
     include mime.types;
     default_type application/octet-stream;
 
-    resolver 127.0.0.11 valid=30s ipv6=off;
-
     # 日志
     #access_log /var/log/nginx/access.log main buffer=32k flush=5s;
     access_log off;