Simple Docker compose file

# docker-compose.yml
# there is a file c:\Users\Docker\dump.sql with:
CREATE DATABASE approval;
# also note, that JDBC address of MySQL inside the approval container is:
jdbc:mysql://aaa/approval?useSSL=false

version: "3"
services:
  aaa:
    image: mysql:5.7
    ports:
      - 3307:3306
    volumes:
      - //c/Users/Docker/:/docker-entrypoint-initdb.d/
    environment:
      - MYSQL_ROOT_PASSWORD=1234
  bbb:
    image: mitrakov/approval
    ports:
      - 9002:9002