version: '3.9'

services:
  db:
    image: postgres:15.2-alpine
    environment:
      - POSTGRES_PASSWORD=postgres
    container_name: db
    volumes:
      - ./data:/var/lib/postgresql/data

  backend:
    image: example-backend:1.14
    environment:
      - REDIS_HOST=cache
      - POSTGRES_HOST=db
      - POSTGRES_PASSWORD=postgres
    container_name: back
    depends_on:
      - db

  frontend:
    image: example-frontend:1.14
    container_name: front 

  redis:
    image: redis:7.0.9
    container_name: cache

  proxy:
    image: nginx:1.23.3
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    ports:
      - 80:80
    depends_on:
      - backend
      - frontend