services:
  postgres:
    image: postgres:17-alpine
    environment:
      POSTGRES_DB: ${POSTGRES_DB:-job_queue}
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
    ports:
      - "${POSTGRES_PORT:-5432}:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres} -d ${POSTGRES_DB:-job_queue}"]
      interval: 5s
      timeout: 5s
      retries: 10

  backend:
    image: minimal-job-queue-backend:latest
    build:
      context: ./backend
    command: sh -c "python manage.py migrate && python manage.py runserver 0.0.0.0:8000"
    environment:
      DEBUG: "true"
      DJANGO_ALLOWED_HOSTS: localhost,127.0.0.1,0.0.0.0
      DJANGO_CORS_ALLOWED_ORIGINS: http://localhost:5173,http://127.0.0.1:5173
      POSTGRES_DB: ${POSTGRES_DB:-job_queue}
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_HOST: postgres
      POSTGRES_PORT: 5432
      JOB_WORKER_MAX_ATTEMPTS_DEFAULT: ${JOB_WORKER_MAX_ATTEMPTS_DEFAULT:-3}
      JOB_WORKER_LEASE_SECONDS: ${JOB_WORKER_LEASE_SECONDS:-30}
      JOB_WORKER_BACKOFF_BASE_SECONDS: ${JOB_WORKER_BACKOFF_BASE_SECONDS:-5}
      JOB_WORKER_BACKOFF_MAX_SECONDS: ${JOB_WORKER_BACKOFF_MAX_SECONDS:-300}
    ports:
      - "8000:8000"
    depends_on:
      postgres:
        condition: service_healthy
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "python -c \"import urllib.request; urllib.request.urlopen('http://localhost:8000/api/health/', timeout=2)\"",
        ]
      interval: 5s
      timeout: 5s
      retries: 20

  worker:
    image: minimal-job-queue-backend:latest
    pull_policy: never
    command: python manage.py run_job_workers
    environment:
      DEBUG: "false"
      POSTGRES_DB: ${POSTGRES_DB:-job_queue}
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_HOST: postgres
      POSTGRES_PORT: 5432
      JOB_WORKER_THREADS: ${JOB_WORKER_THREADS:-4}
      JOB_WORKER_POLL_INTERVAL_MS: ${JOB_WORKER_POLL_INTERVAL_MS:-500}
      JOB_WORKER_LEASE_SECONDS: ${JOB_WORKER_LEASE_SECONDS:-30}
      JOB_WORKER_CLEANUP_INTERVAL_SECONDS: ${JOB_WORKER_CLEANUP_INTERVAL_SECONDS:-5}
      JOB_WORKER_CLEANUP_BATCH_SIZE: ${JOB_WORKER_CLEANUP_BATCH_SIZE:-100}
      JOB_WORKER_BACKOFF_BASE_SECONDS: ${JOB_WORKER_BACKOFF_BASE_SECONDS:-5}
      JOB_WORKER_BACKOFF_MAX_SECONDS: ${JOB_WORKER_BACKOFF_MAX_SECONDS:-300}
      JOB_WORKER_MAX_ATTEMPTS_DEFAULT: ${JOB_WORKER_MAX_ATTEMPTS_DEFAULT:-3}
      JOB_WORKER_LOG_LEVEL: ${JOB_WORKER_LOG_LEVEL:-INFO}
    depends_on:
      backend:
        condition: service_healthy

  frontend:
    build:
      context: ./frontend
    ports:
      - "5173:80"
    depends_on:
      backend:
        condition: service_healthy

volumes:
  postgres_data: