docker-compose.yml

version: '3'

services:
  postgres:
    restart: always
    image: postgres:latest
    # see: https://stackoverflow.com/a/60369496/2290820
    env_file: .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


  backend:
    container_name: django-api
    command: sh -c "/wait && /pre-start.sh && /up-script.sh"
    restart: always
    build:
      context: .
    deploy:
      replicas: 1
      restart_policy:
        condition: any
    expose:
    - 8000
    ports:
      - 8000:8000
      - 8090:8090
    links:
      - postgres
      - redis
    volumes:
      - ./django-api:/app
      - ./bazel-cache:/bazel-cache
    hostname: django-api
    env_file: .env
    environment:
      - WAIT_HOSTS=postgres:5432,redis:6379
      - WAIT_HOSTS_TIMEOUT=300
      - WAIT_SLEEP_INTERVAL=30
      - WAIT_HOST_CONNECT_TIMEOUT=30

volumes:
  django-api:
  bazel-cache:
  pgdata:
  redisdata: