mysql docker port

$ docker run --name some-mysql -v /my/custom:/etc/mysql/conf. docker login insecure registry d -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mysql:tag This will start a new container some-mysql where the MySQL instance uses the combined startup settings from /etc/mysql/my cnf and /etc/mysql/conf d/config-file cnf , with settings from the latter taking precedence