Docker -错误: for my_wordpress_wordpress_1无法启动服务wordpress:驱动程序失败

Question

这是我第一次尝试在容器中安装wordpress，我使用了官方docker文档中的以下内容，但得到了以下错误

version: "3.9"

services:
  db:
    image: mysql:5.7
    volumes:
      - db_data:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: somewordpress
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: wordpress
    
  wordpress:
    depends_on:
      - db
    image: wordpress:latest
    volumes:
      - wordpress_data:/var/www/html
    ports:
      - "8000:80"
    restart: always
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress
      WORDPRESS_DB_NAME: wordpress
volumes:
  db_data: {}
  wordpress_data: {}

错误：

Creating my_wordpress_db_1 ... done
Creating my_wordpress_wordpress_1 ...
Creating my_wordpress_wordpress_1 ... error

ERROR: for my_wordpress_wordpress_1  Cannot start service wordpress: driver failed programming external connec                                                                                            tivity on endpoint my_wordpress_wordpress_1 (eaa2b38842baac2cbc2126426076f542fd8806509d5d5b19160e07a38f89f173)                                                                                            : Bind for 0.0.0.0:8000 failed: port is already allocated

ERROR: for wordpress  Cannot start service wordpress: driver failed programming external connectivity on endpo                                                                                            int my_wordpress_wordpress_1 (eaa2b38842baac2cbc2126426076f542fd8806509d5d5b19160e07a38f89f173): Bind for 0.0.                                                                                            0.0:8000 failed: port is already allocated
ERROR: Encountered errors while bringing up the project.

Answer 1

您粘贴的错误消息包含大量空格，这将使输出难以阅读。但是如果你深入挖掘其中的原因，Docker会解释为什么你的Wordpress镜像不能工作。

ERROR: for wordpress Cannot start service wordpress: 
driver failed programming external connectivity on 
endpoint my_wordpress_wordpress_1 (eaa2b38842baac2cbc2126426076f542fd8806509d5d5b19160e07a38f89f173): 
Bind for 0.0.0.0:8000 failed: port is already allocated

解决方案是找出哪个其他资源正在分配端口8000，然后关闭该程序。可能是某个其他docker实例正在运行，请尝试使用docker ps -a查看所有docker图像。或者，您可以在docker-compose.yml-file中指定不同的端口。

你可以试试

ports:
  - "8080:80"

在您的示例中，您有8000:80