docker-compose.yaml

version: '3'
services:
  mysql:
    image: mysql:5.7
    ports:
      - "3306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_USER: username
      MYSQL_PASSWORD: password
      MYSQL_DATABASE: sample
    volumes:
      - ./mysql_log.cnf:/etc/mysql/conf.d/mysql_log.cnf
  postgres:
    image: postgres:9.6
    command: postgres -c config_file=/etc/postgresql/postgresql.conf
    ports:
      - "5432:5432"
    environment:
      - "POSTGRES_USER=postgres"
      - "POSTGRES_PASSWORD=password"
    volumes:
      - ./postgres.conf:/etc/postgresql/postgresql.conf