version: "3.8"

services:
  prefect-server:
    image: prefecthq/prefect:${PREFECT_VERSION:-3-latest}
    container_name: prefect-server
    restart: unless-stopped
    ports:
      - "${PREFECT_PORT:-4200}:4200"
    volumes:
      - prefect_data:/root/.prefect
      - prefect_flows:/flows
    environment:
      - PREFECT_SERVER_API_HOST=0.0.0.0
      - PREFECT_SERVER_API_PORT=4200
      - PREFECT_API_DATABASE_CONNECTION_URL=postgresql+asyncpg://${PG_USER:-prefect}:${PG_PASSWORD:-prefect}@prefect-db:5432/${PG_DB:-prefect}
      - PREFECT_SERVER_ANALYTICS_ENABLED=${ANALYTICS:-false}
    command: prefect server start
    depends_on:
      prefect-db:
        condition: service_healthy

  prefect-worker:
    image: prefecthq/prefect:${PREFECT_VERSION:-3-latest}
    container_name: prefect-worker
    restart: unless-stopped
    volumes:
      - prefect_flows:/flows
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      - PREFECT_API_URL=http://prefect-server:4200/api
    command: prefect worker start --pool default-agent-pool --type docker
    depends_on:
      - prefect-server

  prefect-db:
    image: postgres:16-alpine
    container_name: prefect-db
    restart: unless-stopped
    environment:
      - POSTGRES_USER=${PG_USER:-prefect}
      - POSTGRES_PASSWORD=${PG_PASSWORD:-prefect}
      - POSTGRES_DB=${PG_DB:-prefect}
    volumes:
      - prefect_pg_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${PG_USER:-prefect}"]
      interval: 10s
      timeout: 5s
      retries: 5

volumes:
  prefect_data:
  prefect_flows:
  prefect_pg_data: