# Lab 04: Storage & S3 - Docker Compose Configuration
# Simula storage S3-compatible con MinIO e Docker Volumes

version: "3.8"

services:
  # MinIO - S3-compatible object storage
  minio:
    image: minio/minio:latest
    container_name: lab04-minio
    hostname: minio

    command: server /data --console-address ":9001"

    environment:
      MINIO_ROOT_USER: minioadmin
      MINIO_ROOT_PASSWORD: minioadmin123

    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G

    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
      interval: 15s
      timeout: 5s
      retries: 3

    ports:
      - "127.0.0.1:9000:9000"  # API S3
      - "127.0.0.1:9001:9001"  # Console UI

    volumes:
      - minio-data:/data

    restart: unless-stopped

  # PostgreSQL con volume persistente
  db:
    image: postgres:16-alpine
    container_name: lab04-db
    hostname: db

    environment:
      POSTGRES_DB: lab04_db
      POSTGRES_USER: lab04_user
      POSTGRES_PASSWORD: lab04_password

    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G

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

    restart: unless-stopped

  # Test container - verifica persistenza
  test:
    image: alpine:3.19
    container_name: lab04-test
    hostname: test

    command: ["sh", "-c", "sleep 3600"]

    volumes:
      - test-data:/test

    restart: unless-stopped

# Named Volumes - Persistono oltre la vita dei container
volumes:
  minio-data:
    driver: local
  db-data:
    driver: local
  test-data:
    driver: local