docker-compose.yml

# docker-compose.yaml
version: '3.8' 

services:
  db:
    image: timescale/timescaledb:latest-pg16 
    container_name: timescale_db_umw
    environment:
      POSTGRES_USER: ${DB_USER:-datata1}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-devpassword}
      POSTGRES_DB: ${DB_NAME:-umwelt}
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./init_scripts:/docker-entrypoint-initdb.d
    ports:
      - "5432:5432"
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
      interval: 10s
      timeout: 5s
      retries: 5

  redis:
    image: redis:latest 
    container_name: redis_cache_umw
    restart: unless-stopped
    volumes:
      - redis_data:/data 
    ports: 
      - "6379:6379"

  backend:
    container_name: backend_fastapi_umw
    build:
      context: .
      dockerfile: ./services/backend/Dockerfile
    volumes:
      - ./services/backend:/app/backend
      - ./shared:/app/backend/shared
      - ./host_models_dir:/app/backend/models
    command: uv run uvicorn main:app --reload --host 0.0.0.0 --port 8000
    environment:
      - PREFECT_API_URL=http://prefect:4200/api
    working_dir: /app/backend 
    depends_on:
      db:
        condition: service_healthy 
      redis:
        condition: service_started 
      prefect:
        condition: service_started
      prefect-worker:
        condition: service_started
    restart: unless-stopped
    ports:
      - "8000:8000"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/api/health"]
      interval: 10s      
      timeout: 5s        
      retries: 5         
      start_period: 20s

  frontend:
    container_name: frontend_dash_umw
    command: uv run python ./app.py
    build:
      context: .
      dockerfile: ./services/frontend/Dockerfile
    volumes:
      - ./services/frontend:/app/frontend
      - .shared:/app/frontend/shared
    environment:
      - BACKEND_API_URL=http://backend:8000
    working_dir: /app/frontend 
    depends_on:
      backend:
        condition: service_healthy 
    restart: unless-stopped
    ports:
      - "8050:8050"

  prefect:
    container_name: prefect_server_umw
    image: prefecthq/prefect:3-latest 
    command: prefect server start --host 0.0.0.0
    environment:
      - PREFECT_SERVER_DATABASE_CONNECTION_URL=postgresql+asyncpg://${DB_USER}:${DB_PASSWORD}@db:${DB_PORT}/${PREFECT_DB_NAME}
      - PREFECT_API_URL=http://127.0.0.1:4200/api
      - PREFECT_UI_SERVE_BASE=/prefect
    depends_on:
      db:
        condition: service_healthy
    restart: unless-stopped
    ports:
      - "4200:4200"

  prefect-worker:
    container_name: prefect_worker_umw
    build:
      context: . 
      dockerfile: ./services/ml_service/Dockerfile 
    volumes:
      - ./services/ml_service:/app/ml_service 
      - ./shared:/app/ml_service/shared
      - ./host_models_dir:/app/ml_service/models
    working_dir: /app/ml_service 
    command: "uv run python run_worker.py"
    environment:
      - PREFECT_API_URL=http://prefect:4200/api
      - DATABASE_URL_PREFECT=postgresql+asyncpg://${DB_USER}:${DB_PASSWORD}@db:${DB_PORT}/${PREFECT_DB_NAME}
      - PREFECT_WORKER_WEBSERVER_PORT=8001
    depends_on:
      db:
        condition: service_healthy
      prefect:
        condition: service_started
    restart: unless-stopped
    ports:
      - "8001:8001"

  db-explorer:
    container_name: pgweb_explorer_umw
    image: sosedoff/pgweb:latest
    command: pgweb --url=postgres://${DB_USER}:${DB_PASSWORD}@db:5432/${DB_NAME}?sslmode=disable --bind=0.0.0.0 --prefix=db-admin --skip-open
    environment:
      # Wiederhole env vars, da command sie braucht, ODER nur in command verwenden
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_HOST=db
      - DB_PORT=${DB_PORT:-5432}
      - DB_NAME=${DB_NAME}
    depends_on:
      db:
        condition: service_healthy
    restart: unless-stopped
    ports:
      - "8081:8081" 

  caddy:
    container_name: caddy_proxy_umw
    image: caddy:latest
    restart: unless-stopped
    ports:
      - "3000:3000"
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile
      - caddy_data:/data
      - caddy_config:/config
    depends_on: 
      - backend
      - prefect
      - db-explorer

# --- Benannte Volumes für persistente Daten ---
volumes:
  postgres_data:
  redis_data:
  caddy_data:
  caddy_config: