docker-compose.yml

version: '3'
services:

  db:
    image: postgres:13.0
    restart: always
    networks:
        - result-tier
        - back-tier
    volumes:
        - db-data:/var/lib/postgresql/data
        - "./schema.sql:/docker-entrypoint-initdb.d/init.sql"
    environment:
        - "POSTGRES_USER=postgres"
        - "POSTGRES_PASSWORD=password"

  redis:
    image: redis:buster
    restart: always
    expose:
        - 6379
    ports:
        - "6379:6379"
    networks:
        - poll-tier
        - back-tier

  poll:
    build: ./poll
    restart: always
    links:
        - redis
        - db
    ports:
        - "5000:80"
    depends_on:
        - redis
    networks:
        - poll-tier
    environment:
        - 0.0.0.0

  worker:
    build: ./worker
    restart: always
    networks:
        - back-tier
    environment:
        - 0.0.0.0

  result:
    build: ./result
    restart: always
    ports:
        - "5001:80"
    networks:
        - result-tier
    environment:
        - 0.0.0.0

networks:
  poll-tier:
  result-tier:
  back-tier:

volumes:
  db-data: