DEPLOYMENT_CHECKLIST.md

🚀 Hugging Face Spaces Deployment Checklist

✅ Pre-Deployment Setup

1. MongoDB Atlas Database

• Create MongoDB Atlas account
• Create a new cluster (free tier)
• Create database user with read/write permissions
• Get connection string
• Test connection locally

2. Hugging Face Account

• Create Hugging Face account
• Enable Spaces feature
• Verify account permissions

🏗️ Backend Deployment

1. Create Backend Space

• Go to https://huggingface.co/spaces
• Click "Create new Space"
• Choose "Docker" as SDK
• Name: your-username/transcreation-backend
• Set to "Public" or "Private"

2. Upload Backend Files

• Upload all files from deploy/backend/
• Verify Dockerfile is in root of Space
• Verify package.json is present

3. Configure Environment Variables

• Go to Settings → Repository secrets
• Add MONGODB_URI: mongodb+srv://username:password@cluster.mongodb.net/transcreation-sandbox
• Add NODE_ENV: production
• Add PORT: 5000

4. Deploy Backend

• Wait for build to complete
• Check logs for any errors
• Test health endpoint: https://your-username-transcreation-backend.hf.space/health
• Test API endpoint: https://your-username-transcreation-backend.hf.space/api/health

🎨 Frontend Deployment

1. Create Frontend Space

• Go to https://huggingface.co/spaces
• Click "Create new Space"
• Choose "Docker" as SDK
• Name: your-username/transcreation-frontend
• Set to "Public" or "Private"

2. Upload Frontend Files

• Upload all files from deploy/frontend/
• Verify Dockerfile is in root of Space
• Verify nginx.conf is present

3. Configure Environment Variables

• Go to Settings → Repository secrets
• Add REACT_APP_API_URL: https://your-username-transcreation-backend.hf.space/api

4. Deploy Frontend

• Wait for build to complete
• Check logs for any errors
• Test frontend URL: https://your-username-transcreation-frontend.hf.space

🧪 Testing

1. Backend Testing

• Health check: https://your-backend-url/health
• API health: https://your-backend-url/api/health
• Database connection working
• CORS headers present

2. Frontend Testing

• Page loads without errors
• Can navigate between pages
• API calls work (check browser console)
• Login functionality works
• All features accessible

3. Integration Testing

• Frontend can connect to backend
• User registration/login works
• Tutorial tasks load
• Weekly practice loads
• Voting system works
• Admin features work (if admin user)

🔧 Troubleshooting

Common Issues

1. Backend Build Fails

   • Check Dockerfile syntax
   • Verify all dependencies in package.json
   • Check environment variables

2. Frontend Build Fails

   • Check React build process
   • Verify nginx.conf syntax
   • Check environment variables

3. Database Connection Issues

   • Verify MongoDB Atlas connection string
   • Check network access settings
   • Verify database user permissions

4. CORS Issues

   • Check backend CORS configuration
   • Verify frontend API URL
   • Check browser console for errors

5. Environment Variables Not Working

   • Verify variable names match exactly
   • Check for typos in values
   • Restart Space after adding variables

📞 Support

If you encounter issues:

1. Check Hugging Face Spaces logs
2. Verify all environment variables
3. Test locally with Docker Compose first
4. Check MongoDB Atlas connection
5. Review browser console for frontend errors

🎉 Success Indicators

• Backend responds to health checks
• Frontend loads without errors
• Users can register and login
• Tutorial tasks and weekly practice load
• Voting system works
• Admin features accessible
• No console errors in browser
• All API endpoints responding

🔗 Final URLs

• Backend: https://your-username-transcreation-backend.hf.space
• Frontend: https://your-username-transcreation-frontend.hf.space
• API Base: https://your-username-transcreation-backend.hf.space/api

📝 Notes

• Keep MongoDB Atlas connection string secure
• Monitor Hugging Face Spaces usage limits
• Set up monitoring for both Spaces
• Consider setting up custom domain later
• Regular backups of MongoDB data recommended