version: '3.8'

services:
  postgres:
    image: pgvector/pgvector:pg16
    container_name: lightrag-postgres-minimal
    environment:
      POSTGRES_DB: lightrag
      POSTGRES_USER: lightrag_user
      POSTGRES_PASSWORD: lightrag_pass
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U lightrag_user -d lightrag"]
      interval: 10s
      timeout: 5s
      retries: 5

  lightrag:
    image: ghcr.io/hkuds/lightrag:latest
    container_name: lightrag-minimal
    env_file:
      - .env
    environment:
      # Pass API key from host
      OPENAI_API_KEY: ${OPENAI_API_KEY}
      LLM_BINDING_API_KEY: ${OPENAI_API_KEY}
      EMBEDDING_BINDING_API_KEY: ${OPENAI_API_KEY}
      # Use mixed storage - PostgreSQL for vectors and KV, NetworkX for graph
      LIGHTRAG_KV_STORAGE: PGKVStorage
      LIGHTRAG_VECTOR_STORAGE: PGVectorStorage
      LIGHTRAG_DOC_STATUS_STORAGE: PGDocStatusStorage
      LIGHTRAG_GRAPH_STORAGE: NetworkXStorage
      POSTGRES_HOST: postgres
      POSTGRES_PORT: 5432
      POSTGRES_USER: lightrag_user
      POSTGRES_PASSWORD: lightrag_pass
      POSTGRES_DATABASE: lightrag
    ports:
      - "9621:9621"
    depends_on:
      postgres:
        condition: service_healthy
    volumes:
      - ./data/inputs:/app/inputs
      - ./data/rag_storage:/app/rag_storage

volumes:
  postgres_data:

networks:
  default:
    name: lightrag-minimal-network