[英]can not connect to mysql in docker's bridge network
I created a MySQL container but can only connect to the database from the host.我创建了一个 MySQL 容器,但只能从主机连接到数据库。
I start the MySQL container in this file:我在这个文件中启动 MySQL 容器:
docker-composer.yml:码头工人作曲家.yml:
version: '3.3'
services:
db:
image: mysql:5.7
ports:
- "3307:3306"
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
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: {}
when run docker-compser up , I got this error:运行docker-compser up 时,出现此错误:
MySQL Connection Error: (2002) No route to host MySQL 连接错误:(2002)没有到主机的路由
But I can succeed to connect to the container from the host, like this: mysql -u root -p -h 127.0.0.1 -P 3307但是我可以成功从主机连接到容器,如下所示: mysql -u root -p -h 127.0.0.1 -P 3307
You can try to connect without a port specifying:您可以尝试在不指定端口的情况下进行连接:
WORDPRESS_DB_HOST: db
It turns out to be a firewall problem.原来是防火墙问题。 I am using fedora 32 system.
我正在使用fedora 32系统。 And the docker interface using the default zone which will block 80 port and 3306 port.
docker 接口使用默认区域,将阻塞 80 端口和 3306 端口。 So, after I bind my docker interface to trusted zone and added some port everything worked.
因此,在我将 docker 接口绑定到受信任区域并添加一些端口后,一切正常。
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