LightRAG/starter/docker-compose.yml
2025-12-05 14:31:13 +08:00

322 lines
9.7 KiB
YAML

# ============================================================================
# LightRAG Multi-Tenant Stack with PostgreSQL Backend
#
# This Docker Compose file sets up a complete multi-tenant RAG system with:
# • PostgreSQL database (with pgvector support)
# • Redis cache
# • LightRAG API server
# • Web UI interface
#
# Features:
# - Multi-tenant data isolation at database level
# - Composite key pattern (tenant_id, kb_id, id)
# - Automatic tenant context enforcement
# - Cross-tenant access prevention
#
# Quick Start:
# make up # Start all services
# make init-db # Initialize database schema
# make logs # View logs
# http://localhost:3000 # WebUI
# http://localhost:9621 # API
# ============================================================================
services:
# =========================================================================
# PostgreSQL Database
#
# Stores:
# • Multi-tenant documents (with tenant_id + kb_id isolation)
# • Knowledge graph entities and relationships
# • Vector embeddings (using pgvector extension)
# • Document status and metadata
# =========================================================================
postgres:
build:
context: .
dockerfile: Dockerfile.postgres
container_name: lightrag-postgres
hostname: postgres
environment:
POSTGRES_USER: ${POSTGRES_USER:-lightrag}
POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-lightrag_secure_password}
POSTGRES_DB: ${POSTGRES_DATABASE:-lightrag_multitenant}
PGTZ: UTC
# Don't publish PostgreSQL port to the host. Keep it available only on the
# compose network for app-to-db communication (safer defaults).
# Use 'expose' so other services in the compose network can access it,
# but it won't be reachable from the host machine.
expose:
- "5432"
volumes:
# Persist database data
- postgres_data:/var/lib/postgresql/data
# Custom initialization script (optional)
- ./init-postgres.sql:/docker-entrypoint-initdb.d/01-init.sql:ro
networks:
- lightrag-network
healthcheck:
test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-lightrag} -d ${POSTGRES_DATABASE:-lightrag_multitenant}"]
interval: 10s
timeout: 5s
retries: 5
start_period: 10s
restart: unless-stopped
# Performance tuning
command:
- "postgres"
- "-c"
- "max_connections=100"
- "-c"
- "shared_buffers=256MB"
- "-c"
- "effective_cache_size=1GB"
- "-c"
- "work_mem=16MB"
- "-c"
- "maintenance_work_mem=64MB"
# =========================================================================
# Redis Cache
#
# Used for:
# • Caching LLM responses (ENABLE_LLM_CACHE)
# • Session management
# • Rate limiting
# • Temporary data with TTL
# =========================================================================
redis:
image: redis:7-alpine
container_name: lightrag-redis
hostname: redis
ports:
- "${REDIS_PORT:-6379}:6379"
volumes:
- redis_data:/data
networks:
- lightrag-network
command: redis-server --appendonly yes --requirepass ${REDIS_PASSWORD:-redis_secure_password}
healthcheck:
test: ["CMD", "redis-cli", "-a", "${REDIS_PASSWORD:-redis_secure_password}", "ping"]
interval: 10s
timeout: 5s
retries: 5
start_period: 10s
restart: unless-stopped
# =========================================================================
# LightRAG API Server
#
# Responsibilities:
# • Handle multi-tenant requests
# • Enforce tenant context (tenant_id, kb_id)
# • Route queries to appropriate backends
# • Manage document ingestion and processing
# • Return multi-tenant isolated results
#
# Storage Configuration:
# • KV Storage: PostgreSQL (PGKVStorage)
# • Doc Status: PostgreSQL (PGDocStatusStorage)
# • Graph: PostgreSQL (PGGraphStorage)
# • Vector: PostgreSQL with pgvector (PGVectorStorage)
# • Cache: Redis (LLM response caching)
# =========================================================================
lightrag-api:
image: lightrag-api:local
build:
context: ..
dockerfile: Dockerfile
container_name: lightrag-api
hostname: lightrag-api
environment:
# Server Configuration
HOST: 0.0.0.0
PORT: 8621
WORKERS: ${WORKERS:-2}
TIMEOUT: ${TIMEOUT:-150}
WEBUI_TITLE: ${WEBUI_TITLE:-"LightRAG Multi-Tenant"}
WEBUI_DESCRIPTION: ${WEBUI_DESCRIPTION:-"Graph RAG with Multi-Tenant Support"}
# PostgreSQL Configuration
LIGHTRAG_KV_STORAGE: PGKVStorage
LIGHTRAG_DOC_STATUS_STORAGE: PGDocStatusStorage
LIGHTRAG_GRAPH_STORAGE: PGGraphStorage
LIGHTRAG_VECTOR_STORAGE: PGVectorStorage
POSTGRES_HOST: postgres
POSTGRES_PORT: 5432
POSTGRES_USER: ${POSTGRES_USER:-lightrag}
POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-lightrag_secure_password}
POSTGRES_DATABASE: ${POSTGRES_DATABASE:-lightrag_multitenant}
POSTGRES_MAX_CONNECTIONS: ${POSTGRES_MAX_CONNECTIONS:-20}
# Vector Index Configuration
POSTGRES_VECTOR_INDEX_TYPE: ${POSTGRES_VECTOR_INDEX_TYPE:-HNSW}
POSTGRES_HNSW_M: ${POSTGRES_HNSW_M:-16}
POSTGRES_HNSW_EF: ${POSTGRES_HNSW_EF:-200}
# Redis Configuration (for caching)
REDIS_URI: ${REDIS_URI:-redis://:redis_secure_password@redis:6379}
# LLM Configuration
LLM_BINDING: ${LLM_BINDING:-openai}
LLM_MODEL: ${LLM_MODEL:-gpt-4o}
LLM_BINDING_HOST: ${LLM_BINDING_HOST:-https://api.openai.com/v1}
LLM_BINDING_API_KEY: ${LLM_BINDING_API_KEY:-your_api_key}
LLM_TIMEOUT: ${LLM_TIMEOUT:-180}
# Embedding Configuration
EMBEDDING_BINDING: ${EMBEDDING_BINDING:-ollama}
EMBEDDING_MODEL: ${EMBEDDING_MODEL:-bge-m3:latest}
EMBEDDING_DIM: ${EMBEDDING_DIM:-1024}
EMBEDDING_BINDING_HOST: ${EMBEDDING_BINDING_HOST:-http://host.docker.internal:11434}
# Document Processing
ENABLE_LLM_CACHE: ${ENABLE_LLM_CACHE:-true}
ENABLE_LLM_CACHE_FOR_EXTRACT: ${ENABLE_LLM_CACHE_FOR_EXTRACT:-true}
SUMMARY_LANGUAGE: ${SUMMARY_LANGUAGE:-English}
CHUNK_SIZE: ${CHUNK_SIZE:-1200}
CHUNK_OVERLAP_SIZE: ${CHUNK_OVERLAP_SIZE:-100}
# Concurrency Configuration
MAX_ASYNC: ${MAX_ASYNC:-1}
MAX_PARALLEL_INSERT: ${MAX_PARALLEL_INSERT:-1}
EMBEDDING_FUNC_MAX_ASYNC: ${EMBEDDING_FUNC_MAX_ASYNC:-1}
EMBEDDING_BATCH_NUM: ${EMBEDDING_BATCH_NUM:-1}
# Query Configuration
TOP_K: ${TOP_K:-40}
CHUNK_TOP_K: ${CHUNK_TOP_K:-20}
MAX_ENTITY_TOKENS: ${MAX_ENTITY_TOKENS:-6000}
MAX_RELATION_TOKENS: ${MAX_RELATION_TOKENS:-8000}
MAX_TOTAL_TOKENS: ${MAX_TOTAL_TOKENS:-30000}
# Logging
LOG_LEVEL: ${LOG_LEVEL:-INFO}
VERBOSE: ${VERBOSE:-false}
# Multi-Tenant Configuration
MULTITENANT_MODE: ${MULTITENANT_MODE:-demo}
DEFAULT_TENANT: ${DEFAULT_TENANT:-default}
DEFAULT_KB: ${DEFAULT_KB:-default}
ports:
- "${API_PORT:-8000}:8621"
volumes:
# Persist LightRAG data
- ./data/inputs:/app/data/inputs
- ./data/rag_storage:/app/data/rag_storage
- ./data/tiktoken:/app/data/tiktoken
# Configuration files
- ./.env:/app/.env:ro
- ../config.ini:/app/config.ini:ro
# Mount source code for development
- ../lightrag:/app/lightrag
networks:
- lightrag-network
depends_on:
postgres:
condition: service_healthy
redis:
condition: service_healthy
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:8621/health"]
interval: 30s
timeout: 15s
retries: 5
start_period: 60s
restart: unless-stopped
# Limit resource usage
deploy:
resources:
limits:
cpus: '2'
memory: 4G
reservations:
cpus: '1'
memory: 2G
# =========================================================================
# Web UI
#
# Frontend interface for:
# • Document upload and management
# • Knowledge graph visualization
# • Query interface
# • Multi-tenant tenant/KB selection
# • Results exploration
# =========================================================================
lightrag-webui:
image: lightrag-webui:local
build:
context: ../lightrag_webui
dockerfile: Dockerfile
container_name: lightrag-webui
hostname: lightrag-webui
environment:
# API Backend Configuration
VITE_API_BASE_URL: ${WEBUI_API_BASE_URL:-http://localhost:8000}
# WebUI Configuration
VITE_WEBUI_TITLE: ${WEBUI_TITLE:-"LightRAG Multi-Tenant"}
VITE_WEBUI_DESCRIPTION: ${WEBUI_DESCRIPTION:-"Graph RAG with Multi-Tenant Support"}
ports:
- "${WEBUI_PORT:-3001}:3000"
networks:
- lightrag-network
depends_on:
lightrag-api:
condition: service_healthy
healthcheck:
test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:3000"]
interval: 30s
timeout: 10s
retries: 3
start_period: 10s
restart: unless-stopped
# ============================================================================
# Networks
# ============================================================================
networks:
lightrag-network:
driver: bridge
# ============================================================================
# Volumes
#
# postgres_data: Persists PostgreSQL database files
# redis_data: Persists Redis snapshot data
# ============================================================================
volumes:
postgres_data:
driver: local
redis_data:
driver: local