docker-compose.yml

---
version: '3.6'
services:
  # This is a standard mysql database container
  db:
    image: "mysql:5.7"
    environment:
      MYSQL_ROOT_PASSWORD: ${mysql_root_password:?err}
      MYSQL_USER: ${mysql_user:?err}
      MYSQL_PASSWORD: ${mysql_password:?err}
      MYSQL_DATABASE: ${db_name:?err}

  # The api container requires build time as well as runtime arguments
  # The arguments are found in ./variables.sh as documented in README.md
  api:
    build:
      context: './'
      args:
        - git_server
        - repo_name
        - ruby_version
    ports:
      # Assume the application will be run on port 3000
      - "${api_port:?err}:3000"
    environment:
      branch: ${branch:?err}
      git_hash: ${git_hash:?err}
      deployment_url: ${deployment_url:?err}
      repo_name: ${repo_name:?err}
      mysql_root_password: ${mysql_root_password:?err}
      db_name: ${db_name:?err}