version: '2'

services:
  oracle:
    image: wnameless/oracle-xe-11g
    ports:
      - "1521:1521"
  mysql:
    image: mysql
    ports:
      - "3306:3306"
    environment:
      - MYSQL_ROOT_PASSWORD=password
  postgres:
    image: postgres
    ports:
      - "5432:5432"
    environment:
      - POSTGRES_PASSWORD=password