Deploy without
complexity

name: fullstack

services:
  proxy:
    build: ./proxy
    image: fullstack-proxy
    ports:
      - 80
    expose:
      - 80
    health: /
    depends_on: [frontend, backend]

  frontend:
    build: ./frontend
    image: fullstack-frontend
    ports:
      - 3000
    env:
      PORT: "3000"
      API_URL: "http://backend:4000"
    depends_on: [backend]

  backend:
    build: ./backend
    image: fullstack-backend
    ports:
      - 4000
    scale:
      min: 1
      max: 7
      target_cpu: 70
    resources:
      cpu_request: 100m
      cpu_limit: 500m
      memory_request: 64Mi
      memory_limit: 128Mi
    env:
      PORT: "4000"
      DATABASE_URL: "postgres://onix:${DB_PASSWORD}@db:5432/appdb"
    depends_on: [db]

  db:
    image: postgres:16-alpine
    ports:
      - 5432
    volumes:
      - db-data
    env:
      POSTGRES_DB: appdb
      POSTGRES_USER: onix
      POSTGRES_PASSWORD: ${DB_PASSWORD}

volumes:
  db-data:
    mount: /var/lib/postgresql/data