docker-compose.yml

version: "3.9"

# Run two instances of `sample-project`
#
# Instance #1:
# - Accessible at http://localhost:8001
# - Uses `celery` and `RabbitMQ` to handle webmentions.
#
# Instance #2:
# - Accessible at http://localhost:8002
# - Uses `cron` to handle webmentions, scheduled to run every minute.
# - Also uses Wagtail.
#
# - Each instance can send mentions to the other one
# - Each instance has a cron job which has a chance of sending a mention to the
#   other each minute.

x-healthy: &healthy
  interval: 10s
  timeout: 2s
  retries: 3
  start_period: 20s

x-database: &database
  image: postgres
  healthcheck:
    test: [ "CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}" ]
    <<: *healthy

x-app-volumes: &app-volumes
  volumes:
    - ./sample-project:/project
    - ./mentions:/project/mentions

x-with-celery: &with-celery
  env_file:
    - ./sample-project/docker/.env
    - ./sample-project/docker/with-celery/.env

x-with-wagtail: &with-wagtail
  env_file:
    - ./sample-project/docker/.env
    - ./sample-project/docker/with-wagtail/.env


services:
  # This version uses Celery
  with-celery-db:
    <<: [*with-celery, *database]

  with-celery-rabbitmq:
    image: rabbitmq:3-alpine
    <<: *with-celery
    healthcheck:
      test: rabbitmq-diagnostics -q ping
      <<: *healthy
    ports:
      - "5672"

  with-celery-web.org:
    <<: [*with-celery, *app-volumes]
    build:
      target: with_celery
    depends_on:
      with-celery-db:
        condition: service_healthy
    healthcheck:
      test: "curl --fail http://localhost"
    ports:
      - "8001:80"

  with-celery-celery:
    <<: [*with-celery, *app-volumes]
    build:
      target: with_celery_celery
    depends_on:
      with-celery-rabbitmq:
        condition: service_healthy
      with-celery-web.org:
        condition: service_healthy

  with-celery-cron:
    <<: [*with-celery, *app-volumes]
    build:
      target: with_celery_cron
    depends_on:
      with-celery-web.org:
        condition: service_healthy

  # This version uses Wagtail and does not use Celery
  with-wagtail-db:
    <<: [*with-wagtail, *database]

  with-wagtail-web.org:
    <<: [*with-wagtail, *app-volumes]
    build:
      target: with_wagtail
    depends_on:
      with-wagtail-db:
        condition: service_healthy
    healthcheck:
      test: "curl --fail http://localhost"
    ports:
      - "8002:80"

  with-wagtail-cron:
    <<: [*with-wagtail, *app-volumes]
    build:
      target: with_wagtail_cron
    depends_on:
      with-wagtail-web.org:
        condition: service_healthy