services: mysqldb: image: mysql:latest restart: always env_file: - .env ports: - '3306:3306' healthcheck: test: mysqladmin ping -h 127.0.0.1 -u $$MYSQL_USER --password=$$MYSQL_PASSWORD start_period: 5s interval: 5s timeout: 5s retries: 55 phpmyadmin: image: phpmyadmin:5 restart: always environment: - PMA_HOST=mysqldb - PMA_PORT=3306 env_file: - .env ports: - '8080:80' depends_on: - mysqldb