docker-compose.full.yml

# ============================================================================
# LangGraph Chat UI — Full Stack (UI + LangGraph Server + PostgreSQL + Redis)
# ============================================================================
# Usage:
#   1. Build your LangGraph server image:
#      cd your-langgraph-project && langgraph build -t my-langgraph-api
#   2. Set LANGGRAPH_IMAGE in .env or export it:
#      export LANGGRAPH_IMAGE=my-langgraph-api
#   3. Run:
#      docker compose -f docker-compose.full.yml up -d
# ============================================================================

services:
  # ---------- LangGraph Server Stack ----------
  langgraph-redis:
    image: redis:6-alpine
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 10

  langgraph-db:
    image: pgvector/pgvector:pg16
    restart: unless-stopped
    environment:
      POSTGRES_USER: langgraph
      POSTGRES_PASSWORD: ${LANGGRAPH_POSTGRES_PASSWORD:-langgraph_secret}
      POSTGRES_DB: langgraph
    volumes:
      - langgraph_pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U langgraph"]
      interval: 5s
      timeout: 3s
      retries: 10

  langgraph-api:
    image: ${LANGGRAPH_IMAGE:-langchain/langgraph-api:latest}
    restart: unless-stopped
    depends_on:
      langgraph-redis:
        condition: service_healthy
      langgraph-db:
        condition: service_healthy
    environment:
      REDIS_URI: redis://langgraph-redis:6379
      DATABASE_URI: postgresql://langgraph:${LANGGRAPH_POSTGRES_PASSWORD:-langgraph_secret}@langgraph-db:5432/langgraph
      LANGSMITH_API_KEY: ${LANGSMITH_API_KEY:-}
    ports:
      - "${LANGGRAPH_PORT:-8123}:8000"

  # ---------- Chat UI Stack ----------
  chat-ui-db:
    image: postgres:16-alpine
    restart: unless-stopped
    environment:
      POSTGRES_USER: chatui
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-chatui_secret}
      POSTGRES_DB: chatui
    volumes:
      - chatui_pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U chatui"]
      interval: 5s
      timeout: 3s
      retries: 10

  chat-ui:
    build: .
    restart: unless-stopped
    depends_on:
      chat-ui-db:
        condition: service_healthy
      langgraph-api:
        condition: service_started
    ports:
      - "${PORT:-3000}:3000"
    environment:
      AUTH_MODE: ${AUTH_MODE:-standalone}
      NEXT_PUBLIC_AUTH_MODE: ${AUTH_MODE:-standalone}
      NEXTAUTH_SECRET: ${NEXTAUTH_SECRET:-}
      NEXTAUTH_URL: ${NEXTAUTH_URL:-http://localhost:3000}
      DATABASE_PROVIDER: postgresql
      DATABASE_URL: postgresql://chatui:${POSTGRES_PASSWORD:-chatui_secret}@chat-ui-db:5432/chatui
      # Point to LangGraph API via Docker internal network
      NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-http://localhost:${LANGGRAPH_PORT:-8123}}
      LANGGRAPH_API_URL: http://langgraph-api:8000
      NEXT_PUBLIC_ASSISTANT_ID: ${NEXT_PUBLIC_ASSISTANT_ID:-}
      LANGSMITH_API_KEY: ${LANGSMITH_API_KEY:-}
      LANGSMITH_PROJECT: ${LANGSMITH_PROJECT:-}
      GOOGLE_CLIENT_ID: ${GOOGLE_CLIENT_ID:-}
      GOOGLE_CLIENT_SECRET: ${GOOGLE_CLIENT_SECRET:-}
      GITHUB_CLIENT_ID: ${GITHUB_CLIENT_ID:-}
      GITHUB_CLIENT_SECRET: ${GITHUB_CLIENT_SECRET:-}
    volumes:
      - uploads:/app/data/uploads

volumes:
  langgraph_pgdata:
  chatui_pgdata:
  uploads: