docker-compose.yml

version: '3'

services:
  postgres:
    restart: always
    image: postgres:latest
    # see: https://stackoverflow.com/a/60369496/2290820
    env_file: web/.env
    environment:
      - POSTGRES_HOST_AUTH_METHOD=trust
      - POSTGRES_DB=postgres
    ports:
      - "5432"
    volumes:
      - pgdata:/var/lib/postgresql/data/

  redis:
    restart: always
    image: redis:latest
    ports:
      - "6379:6379"
    volumes:
      - redisdata:/data

  celery:
    build: web
    container_name: celeryc
    command: celery -A backend worker -B --loglevel=DEBUG
    volumes:
      - ./web:/app
    env_file: web/.env
    links:
      - redis

  backend:
    container_name: webc
    command: sh -c "/wait && sh pre_start.sh && gunicorn backend.wsgi:application --worker-class=gevent -b :8000 -w 2 -n backend"
    restart: always
    build:
      context: web
      args:
        - IS_WAIT=1
    deploy:
      replicas: 1
      restart_policy:
        condition: any
    expose:
    - 8000
    ports:
      - 8000:8000
    links:
      - postgres
      - redis
    volumes:
      - ./web:/app
    hostname: portcast-web
    env_file: web/.env
    environment:
      - WAIT_HOSTS=postgres:5432,redis:6379
      - WAIT_HOSTS_TIMEOUT=300
      - WAIT_SLEEP_INTERVAL=30
      - WAIT_HOST_CONNECT_TIMEOUT=30
    healthcheck:
      interval: 1m30s
      retries: 3
      test:
      - CMD
      - curl
      - -f
      - http://localhost:8000/apihealth/?format=openapi-json
      timeout: 10s

volumes:
  django-api:
  pgdata:
  redisdata: