phpmyadmin not respond

首先检查 Docker Compose 配置以及报告的 docker ps -a 输出，重点关注 phpmyadmin 容器及其发布的端口。使用 curl 0.0.0.0:8080 -vvv 重现故障；当 phpMyAdmin 在 http://localhost:8080 响应时，该 issue 即完成。

docker compose successfully return.

CONTAINER ID   IMAGE               COMMAND                  CREATED          STATUS          PORTS                                      NAMES
19cd43720847   nginx:latest        "/docker-entrypoint.…"   17 minutes ago   Up 12 minutes   0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp   nginx
98c9e37f3129   php:fpm             "docker-php-entrypoi…"   17 minutes ago   Up 17 minutes   0.0.0.0:9000->9000/tcp                     php
b4c36a8f9f99   phpmyadmin:latest   "/docker-entrypoint.…"   17 minutes ago   Up 17 minutes   0.0.0.0:8080->80/tcp                       phpmyadmin
2389912651a2   mariadb:latest      "docker-entrypoint.s…"   17 minutes ago   Up 17 minutes   3306/tcp                                   mariadb

But http://localhost:8080 not return any respond.

*   Trying 0.0.0.0:8080...
* connect to 0.0.0.0 port 8080 failed: Connection refused
* Failed to connect to 0.0.0.0 port 8080: Connection refused
* Closing connection 0
curl: (7) Failed to connect to 0.0.0.0 port 8080: Connection refused```