docker-compose.yml

version: '3.6'
services:
  test:
    image: "ruby:${RUBY_VERSION}"
    command: sh -c "rm -f Gemfile.lock && bundle install && bin/run_tests"
    environment:
      - AR_VERSION=${AR_VERSION}
    depends_on:
      pg12:
        condition: service_healthy
      mysql56:
        condition: service_healthy
      mysql57:
        condition: service_healthy
      mysql80:
        condition: service_healthy
    working_dir: /app
    volumes:
      - bundle:/usr/local/bundle
      - .:/app

  mysql56:
    image: mysql:5.6
    environment:
      MYSQL_ROOT_PASSWORD: password
    command: --innodb-large-prefix --innodb-file-format=barracuda
    healthcheck:
      test: mysql --password=password -e "show databases;"
  mysql57:
    image: mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: password
    healthcheck:
      test: mysql --password=password -e "show databases;"
  mysql80:
    image: mysql:8.0
    command: --default-authentication-plugin=mysql_native_password
    environment:
      MYSQL_ROOT_PASSWORD: password
    healthcheck:
      test: mysql --password=password -e "show databases;"
  pg12:
    image: postgres:12
    environment:
      PGDATA: /data
      POSTGRES_DB: db
      POSTGRES_HOST_AUTH_METHOD: trust
    healthcheck:
      test: echo "\\l" | psql -U postgres
volumes:
  bundle: