MCP Chat Support System

# 🚀 Supabase Free Tier Usage Guide This guide shows you how to effectively use Supabase's free tier in your MCP Chat Support System. ## 📊 Free Tier Limits & Usage ### ✅ What You Get (Free) - **Database**: 500MB storage - **Bandwidth**: 2GB transfer/month - **Auth**: 50,000 monthly active users - **Storage**: 1GB file storage - **Edge Functions**: 500,000 invocations/month - **Real-time**: Unlimited connections ### 🎯 Optimizing for Free Tier #### 1. Database Storage (500MB) **Current Usage**: ~50-100MB for typical chat app **Optimization Tips**: - Use efficient data types (TEXT vs VARCHAR) - Archive old messages after 30 days - Compress JSON data in context fields - Regular cleanup of unused data ```sql -- Archive old messages (run monthly) INSERT INTO archived_messages SELECT * FROM chat_messages WHERE created_at < NOW() - INTERVAL '30 days'; DELETE FROM chat_messages WHERE created_at < NOW() - INTERVAL '30 days'; ``` #### 2. Bandwidth (2GB/month) **Current Usage**: ~100-200MB/month for typical usage **Optimization Tips**: - Enable compression in API responses - Use pagination for large data sets - Cache frequently accessed data - Optimize image uploads #### 3. Authentication (50,000 MAU) **Current Usage**: ~1,000-5,000 MAU for typical app **Optimization Tips**: - Implement session management - Use refresh tokens efficiently - Monitor active user sessions #### 4. Storage (1GB) **Current Usage**: ~100-300MB for typical usage **Optimization Tips**: - Compress images before upload - Set file size limits - Use CDN for static assets - Regular cleanup of unused files ## 🔧 Implementation Examples ### 1. Real-time Chat (Most Important Feature) ```typescript // Using the useChat hook we created import { useChat } from '../hooks/useChat' function ChatComponent() { const { messages, sendMessage, loading } = useChat(tenantId) const handleSend = async (message: string) => { await sendMessage(message, userId) // Message appears instantly via real-time subscription! } return ( <div> {messages.map(msg => ( <Message key={msg.id} message={msg} /> ))} <MessageInput onSend={handleSend} /> </div> ) } ``` ### 2. Authentication Flow ```typescript // Using the useAuth hook we created import { useAuth } from '../hooks/useAuth' function LoginComponent() { const { signIn, signInWithGoogle, user, loading } = useAuth() const handleGoogleLogin = async () => { const { error } = await signInWithGoogle() if (!error) { // User is automatically logged in // Profile is fetched automatically } } return ( <button onClick={handleGoogleLogin}> Sign in with Google </button> ) } ``` ### 3. File Upload with Storage ```typescript import { supabase } from '../lib/supabase' const uploadFile = async (file: File, bucket: string = 'chat-files') => { const fileExt = file.name.split('.').pop() const fileName = `${Math.random()}.${fileExt}` const filePath = `${bucket}/${fileName}` const { data, error } = await supabase.storage .from(bucket) .upload(filePath, file, { cacheControl: '3600', upsert: false }) if (error) throw error // Get public URL const { data: { publicUrl } } = supabase.storage .from(bucket) .getPublicUrl(filePath) return publicUrl } ``` ## 📈 Monitoring Usage ### 1. Supabase Dashboard - Go to your project dashboard - Check **Usage** tab for current usage - Set up alerts for approaching limits ### 2. Custom Monitoring ```typescript // Add this to your backend to monitor usage const checkUsage = async () => { const { data: messages } = await supabase .from('chat_messages') .select('id', { count: 'exact' }) const { data: users } = await supabase .from('profiles') .select('id', { count: 'exact' }) console.log(`Database usage: ${messages?.length || 0} messages, ${users?.length || 0} users`) } ``` ## 🚀 Deployment with Supabase ### 1. Frontend (Vercel) ```bash # Add environment variables in Vercel VITE_SUPABASE_URL=https://your-project.supabase.co VITE_SUPABASE_ANON_KEY=your-anon-key ``` ### 2. Backend (Hugging Face Spaces) ```bash # Add environment variables in HF Spaces SUPABASE_URL=https://your-project.supabase.co SUPABASE_ANON_KEY=your-anon-key SUPABASE_SERVICE_ROLE_KEY=your-service-role-key ``` ## 💡 Pro Tips for Free Tier ### 1. Database Optimization - Use indexes on frequently queried columns - Implement soft deletes instead of hard deletes - Use JSONB for flexible data (context, settings) ### 2. Real-time Optimization - Subscribe only to necessary channels - Unsubscribe when components unmount - Use filters to reduce data transfer ### 3. Authentication Optimization - Implement proper session management - Use refresh tokens efficiently - Monitor active sessions ### 4. Storage Optimization - Compress images before upload - Set appropriate file size limits - Use CDN for static assets ## 🔄 Migration from SQLite ### 1. Data Migration Script ```typescript // Run this once to migrate existing data const migrateToSupabase = async () => { // Export from SQLite const sqliteData = await exportFromSQLite() // Import to Supabase for (const table of ['profiles', 'tenants', 'chat_messages']) { await supabase .from(table) .insert(sqliteData[table]) } } ``` ### 2. Gradual Migration - Start with new features using Supabase - Migrate existing data gradually - Keep both systems running during transition ## 🎯 Cost-Effective Scaling ### When to Upgrade - **Database**: >400MB storage - **Bandwidth**: >1.5GB/month - **Auth**: >40,000 MAU - **Storage**: >800MB ### Upgrade Options - **Pro Plan**: $25/month (unlimited everything) - **Team Plan**: $599/month (enterprise features) ## 🎉 Benefits You Get ### 1. Real-time Features (Game Changer!) - Live chat updates - User presence indicators - Real-time notifications - Live collaboration ### 2. Better Authentication - OAuth providers (Google, GitHub, etc.) - JWT token management - Row Level Security - User management dashboard ### 3. Scalability - PostgreSQL performance - Automatic backups - Built-in CDN - Edge functions ### 4. Development Experience - Auto-generated TypeScript types - Built-in API documentation - Database migrations - Real-time subscriptions --- **🎯 Bottom Line**: With Supabase's free tier, you get enterprise-grade features for $0, perfect for your MCP Chat Support System!