version: '2.4' services: mysql: image: "mysql/mysql-server:5.7.12" restart: always environment: MYSQL_ROOT_HOST: "%" MYSQL_ROOT_PASSWORD: mostest MYSQL_PASSWORD: mostest MYSQL_USER: mmuser healthcheck: test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"] interval: 5s timeout: 10s retries: 3 tmpfs: /var/lib/mysql ports: - 44446:3306 start_dependencies: image: mattermost/mattermost-wait-for-dep:latest depends_on: - mysql command: mysql