setup-langfuse.sh

#!/bin/bash

# Langfuse Setup Script for AI Chat Application

set -e

echo "🚀 Setting up AI Chat with Langfuse..."

# Check if .env exists, if not copy from example
if [ ! -f .env ]; then
    echo "📝 Creating .env file from .env.example..."
    cp .env.example .env
    echo "✅ .env file created. Please update it with your API keys."
else
    echo "📝 .env file already exists."
fi

# Check if Docker and Docker Compose are installed
if ! command -v docker &> /dev/null; then
    echo "❌ Docker is not installed. Please install Docker first."
    exit 1
fi

if ! docker compose version &> /dev/null; then
    echo "❌ Docker Compose is not available. Please install Docker with Compose plugin."
    exit 1
fi

echo "🐳 Starting Langfuse services with Docker Compose..."
docker compose up -d postgres langfuse

echo "⏳ Waiting for services to start..."
sleep 30

# Check if services are running
if docker compose ps | grep -q "Up"; then
    echo "✅ Services are running!"
    echo ""
    echo "🌐 Access URLs:"
    echo "   • AI Chat Application: http://localhost:8501"
    echo "   • Langfuse Dashboard: http://localhost:3000"
    echo ""
    echo "🔑 Default Langfuse Credentials:"
    echo "   • Email: admin@localhost"
    echo "   • Password: admin123"
    echo ""
    echo "📋 Next Steps:"
    echo "   1. Open Langfuse at http://localhost:3000"
    echo "   2. Login with the default credentials"
    echo "   3. Go to Settings → API Keys"
    echo "   4. Generate new API keys"
    echo "   5. Update your .env file with:"
    echo "      LANGFUSE_SECRET_KEY=your_generated_secret_key"
    echo "      LANGFUSE_PUBLIC_KEY=your_generated_public_key"
    echo "   6. Start the AI Chat application:"
    echo "      docker compose up ai-chat"
    echo "      OR for development with file watching:"
    echo "      docker compose -f docker-compose.dev.yml up ai-chat"
    echo ""
    echo "🎉 Langfuse setup complete! Start your AI Chat application when ready."
else
    echo "❌ Some services failed to start. Check logs with: docker compose logs"
    exit 1
fi