docker-compose.yml

# ============================================================================
# LangGraph Chat UI — Docker Compose (UI + PostgreSQL)
# ============================================================================
# Usage:
#   cp frontend/.env.example frontend/.env   # edit as needed
#   docker compose up -d
# ============================================================================

services:
  db:
    image: postgres:16-alpine
    restart: unless-stopped
    environment:
      POSTGRES_USER: chatui
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-chatui_secret}
      POSTGRES_DB: chatui
    volumes:
      - 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:
      db:
        condition: service_healthy
    ports:
      - "${PORT:-3000}:3000"
    environment:
      # Auth
      AUTH_MODE: ${AUTH_MODE:-standalone}
      NEXT_PUBLIC_AUTH_MODE: ${AUTH_MODE:-standalone}
      NEXTAUTH_SECRET: ${NEXTAUTH_SECRET:-}
      NEXTAUTH_URL: ${NEXTAUTH_URL:-http://localhost:3000}

      # Database (PostgreSQL via internal Docker network)
      DATABASE_PROVIDER: postgresql
      DATABASE_URL: postgresql://chatui:${POSTGRES_PASSWORD:-chatui_secret}@db:5432/chatui

      # LangGraph server
      NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-http://host.docker.internal:2024}
      LANGGRAPH_API_URL: ${LANGGRAPH_API_URL:-}
      NEXT_PUBLIC_ASSISTANT_ID: ${NEXT_PUBLIC_ASSISTANT_ID:-}

      # LangSmith (optional)
      LANGSMITH_API_KEY: ${LANGSMITH_API_KEY:-}
      LANGSMITH_PROJECT: ${LANGSMITH_PROJECT:-}

      # OAuth (optional)
      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:
  pgdata:
  uploads: