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docker 里 修改 mysql 8 对外端口
source link: https://xmetal.cc/?p=2064
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mysql8 docker 容器修改端口 需要到容器里 /etc/mysql/my.cnf 修改或添加端口号， 建议从容器里复制出来修改
1 先复制到host
sudo docker cp wordpress_db_1:/etc/mysql/my.cnf ./ #从容器复制到host2 编辑 my.cnf 修改或添加端口号 如port:3307
3 放回容器
sudo docker cp ./my.cnf wordpress_db_1:/etc/mysql/ #放回容器4 然后重启 docker restart 容器名
修改后的端口和暴露的端口一致就可以连接成功， 如 – port 3307:3307
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