docker-compose.yaml

version: '2'
services:
  web:
    restart: always
    build: ./web
    expose:
      - "5000"
    env_file: .env
    command: /usr/local/bin/gunicorn -w 2 -b :5000 manage:app
    links:
      - postgres:postgres
      - mailhog:mailhog

  nginx:
    restart: always
    # build also includes static assets to be served by nginx
    build: ./nginx
    ports:
      # You may be tempted to change this to 8080:80 locally, but limitations in Flask-Security will cause problems for you
      - "80:80"
    links:
      - web:web

  postgres:
    restart: always
    image: postgres:latest
    ports:
      - "5432:5432"
    # the same env file defines both the postgres user/password
    # so that postgres creates the user, and the app uses those creds
    env_file: .env
    volumes:
      - pgdata:/var/lib/postgresql

  db_migrate:
    build: ./web
    env_file: .env
    links:
      - postgres:postgres
    volumes:
      - ./web/migrations/versions:/usr/src/app/migrations/versions
    command: python manage.py db migrate -m "description of schema changes"

  psql:
    image: postgres:latest
    env_file: .env
    links:
      - postgres:postgres
    # psql relies on env variable PGPASSWORD to bypass the usual password prompt
    command: psql -h postgres -d $DB_NAME -U $DB_USER

  mailhog:
    image: mailhog/mailhog:latest
    ports:
      - "8025:8025"
      - "1025:1025"

volumes:
  pgdata: {}