docker network create net-bug
docker run -d --name some-mysql --network net-bug -e MYSQL_USER=redmine -e MYSQL_PASSWORD=1 -e MYSQL_DATABASE=redmine -e MYSQL_RANDOM_ROOT_PASSWORD=1 -p3001:3306 mysql:5.7
docker run -d --name some-redmine --network net-bug -e REDMINE_DB_MYSQL=some-mysql -e REDMINE_DB_USERNAME=redmine -e REDMINE_DB_PASSWORD=1 -p3000:3000 redmine
mysql -h127.0.0.1 -P3001 -uredmine -p1 -e "show databases;"
CREATE DATABASE IF NOT EXISTS redmine default charset utf8 COLLATE utf8_general_ci;