Dallinger/Dallinger

services:
  redis_{{ experiment_id }}:
    image: redis
    command: redis-server --appendonly yes
    volumes:
      - dallinger_{{ experiment_id }}_redis_data:/data
    healthcheck:
        test: "[ $$(redis-cli ping) = 'PONG' ]"
        interval: 2s
        timeout: 1s
    networks:
      - dallinger

  web:
    image: {{ experiment_image }}
    user: "${UID}:${GID}"
    command: dallinger_heroku_web
    depends_on: &commondepends
      redis_{{ experiment_id }}:
        condition: service_healthy
      pgbouncer:
        condition: service_started
    environment: &commonenv
      REDIS_URL: redis://redis_{{ experiment_id }}:6379
      DATABASE_URL: postgresql://{{ experiment_id }}:{{ postgresql_password }}@{{ experiment_id }}_pgbouncer/{{ experiment_id }}
      HOME: /tmp
      HOST: 0.0.0.0
      PORT: 5000
    {%- for key, value in config.items() %}
      {{ key }}: {{ value | string() | tojson }}
    {%- endfor %}
    networks:
      dallinger:
        aliases:
          - {{ experiment_id }}_web
    volumes:
      - ${HOME}/dallinger-data/{{ experiment_id }}:/var/lib/dallinger
    {%- if docker_volumes | length > 0 %}
      {%- for volume in docker_volumes.split(",") %}
      - {{ volume | string() }}
      {%- endfor %}
    {%- endif %}

  {% set num_dynos = config["num_dynos_worker"] | default('1') | int %}
  {%- for number in range(num_dynos) %}
  worker_{{ number + 1 }}:
    image: {{ experiment_image }}
    command: dallinger_heroku_worker
    depends_on:
      <<: *commondepends
    user: "${UID}:${GID}"
    environment:
      <<: *commonenv
    networks:
      - dallinger
    volumes:
      - ${HOME}/dallinger-data/{{ experiment_id }}:/var/lib/dallinger
    {%- if docker_volumes | length > 0 %}
      {%- for volume in docker_volumes.split(",") %}
      - {{ volume | string() }}
      {%- endfor %}
    {%- endif %}
  {%- endfor %}

  pgbouncer:
    image: docker.io/bitnami/pgbouncer:1.19.1
    container_name: {{ experiment_id }}_pgbouncer
    networks:
      dallinger:
    environment:
      - POSTGRESQL_HOST=postgresql
      - PGBOUNCER_AUTH_TYPE=md5
      - PGBOUNCER_SET_DATABASE_USER=yes
      - PGBOUNCER_SET_DATABASE_PASSWORD=yes
      - POSTGRESQL_USERNAME={{ experiment_id }}
      - POSTGRESQL_PASSWORD={{ postgresql_password }}
      - PGBOUNCER_PORT=5432
      - PGBOUNCER_DATABASE={{ experiment_id }}
      - PGBOUNCER_POOL_MODE=transaction
      # Connections to postgres will be closed after 60 seconds of inactivity
      - PGBOUNCER_SERVER_IDLE_TIMEOUT=60

{%- if config["clock_on"] %}
  clock:
    image: {{ experiment_image }}
    user: "${UID}:${GID}"
    command: dallinger_heroku_clock
    depends_on:
      <<: *commondepends
    environment:
      <<: *commonenv
      PORT: 5000
    networks:
      dallinger:
        aliases:
          - {{ experiment_id }}_clock
    volumes:
      - ${HOME}/dallinger-data/{{ experiment_id }}:/var/lib/dallinger
{%- endif %}

volumes:
  dallinger_{{ experiment_id }}_redis_data:

networks:
  dallinger:
    name: dallinger