我的这个问题。是数据库连接的问题，我没找到原因，后来用网易的镜像。可以了。
后来mysql起不来，发现是宿主机的共享卷没有权限的问题，所以mysql的容器起不来，所以只要给共享卷授权就可以了
┌──[root@liruilongs.github.io]-[~/docker] └─$ docker ps | grep -v IMAGE | awk '{print $1}'| xargs docker rm -f 1ce97e8dc071 0d435b696a7e ┌──[root@liruilongs.github.io]-[~/docker] └─$ docker run -dit --name=db --restart=always -v $PWD/db:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=liruilong -e WORDPRESS_DATABASE=wordpress hub.c.163.com/library/mysql 8605e77f8d50223f52619e6e349085566bc53a7e74470ac0a44340620f32abe8 ┌──[root@liruilongs.github.io]-[~/docker] └─$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 8605e77f8d50 hub.c.163.com/library/mysql "docker-entrypoint.s…" 6 seconds ago Up 4 seconds 3306/tcp db ┌──[root@liruilongs.github.io]-[~/docker] └─$ docker run -itd --name=blog --restart=always -v $PWD/blog:/var/www/html -p 80 -e WORDPRESS_DB_HOST=172.17.0.2 -e WORDPRESS_DB_USER=root -e WORDPRESS_DB_PASSWORD=liruilong -e WORDPRESS_DB_NAME=wordpress hub.c.163.com/library/wordpr ess a90951cdac418db85e9dfd0e0890ec1590765c5770faf9893927a96ea93da9f5 ┌──[root@liruilongs.github.io]-[~/docker] └─$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES a90951cdac41 hub.c.163.com/library/wordpress "docker-entrypoint.s…" 3 seconds ago Up 2 seconds 0.0.0.0:49271->80/tcp, :::49271->80/tcp blog 8605e77f8d50 hub.c.163.com/library/mysql "docker-entrypoint.s…" 2 minutes ago Up 2 minutes 3306/tcp db ┌──[root@liruilongs.github.io]-[~/docker] └─$
