docker-compose.yml

services:
  app:
    build:
      context: .
    environment:
      TEST_DB_HOST: 'mysql'
      TEST_DB_USER: 'root'
      TEST_DB_PASS: 'change_me'
    volumes:
      - .:/app
    depends_on:
      - mysql
  mysql:
    image: mysql:8
    environment:
      MYSQL_ROOT_PASSWORD: 'change_me'