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Deployment Verification Checklist

Authentication Fix for Hugging Face Spaces

This checklist will help you verify that the authentication fixes work correctly in your Hugging Face Space deployment.

✅ Pre-Deployment Checks

1. Frontend Configuration

  • .env.production file has correct API URL: https://zelyanoth-lin-cbfcff2.hf.space/api
  • VITE_NODE_ENV=production is set in .env.production
  • Frontend has been built with npm run build
  • dist/ folder exists and contains built files

2. Backend Configuration

  • backend/app.py imports request from Flask
  • CORS origins include https://zelyanoth-lin-cbfcff2.hf.space
  • Cookie service uses sameSite: 'Lax' for production
  • JWT secret key is properly configured

3. Cookie Security Settings

  • Production cookies use sameSite: 'Lax' (not 'Strict')
  • Production cookies use secure: true
  • All cookies have httpOnly: true
  • CORS allows credentials (supports_credentials: true)

✅ Deployment Steps

1. Build Frontend 

cd frontend
npm run build
cd ..

2. Commit Changes 

git add .
git commit -m "fix: authentication fixes for Hugging Face Spaces deployment"
git push origin main

3. Monitor Hugging Face Build

  • Check build logs in Hugging Face Space dashboard
  • Verify no errors during build process
  • Confirm deployment completes successfully

✅ Post-Deployment Testing

1. Basic Functionality Tests

  • Application loads at https://zelyanoth-lin-cbfcff2.hf.space
  • Health check endpoint works: https://zelyanoth-lin-cbfcff2.hf.space/health
  • API health check works: https://zelyanoth-lin-cbfcff2.hf.space/api/health

2. Authentication Flow Tests

  • Login Page: Access /login page
  • Login Attempt: Try to login with valid credentials
  • Login Success: Verify successful login redirects to dashboard
  • Cookie Storage: Check that cookies are set (use browser dev tools)
  • Page Reload: Refresh the page while logged in
  • Session Persistence: Verify you remain logged in after reload
  • Protected Routes: Access /dashboard, /accounts, etc. while logged in
  • Logout: Test logout functionality
  • Post-Logout: Verify redirect to login page after logout

3. Cookie Security Verification

  • Cookie Attributes: Check browser cookies for:
    • SameSite=Lax (production setting)
    • Secure flag (for HTTPS)
    • HttpOnly flag (prevents JavaScript access)
  • Cross-Origin Requests: Verify CORS headers are present in API responses
  • Token Validation: JWT tokens are properly validated on server side

4. Error Handling Tests

  • Invalid Credentials: Try login with wrong password
  • Expired Token: Wait for token to expire (1 hour) and test reload
  • Network Issues: Test with network disabled then reconnected
  • Browser Cache: Clear browser cache and test authentication

5. Browser Compatibility

  • Chrome: Test all functionality
  • Firefox: Test all functionality
  • Safari: Test all functionality
  • Mobile Chrome: Test on mobile device
  • Mobile Safari: Test on mobile device

✅ Monitoring and Logging

1. Browser Console

  • No JavaScript errors on page load
  • API requests show correct status codes
  • Authentication requests show proper headers

2. Network Tab

  • API requests include Authorization header when logged in
  • CORS requests show correct Access-Control-Allow-* headers
  • No failed authentication requests

3. Server Logs (Hugging Face Dashboard)

  • No Flask application errors
  • Successful health checks
  • Authentication requests logged properly
  • CORS headers applied correctly

✅ Performance Tests

1. Load Time

  • Page loads within 3 seconds
  • API responses under 1 second
  • Login process completes within 2 seconds

2. Resource Usage

  • Memory usage is reasonable
  • No memory leaks detected
  • CPU usage normal for traffic level

✅ Security Verification

1. Cookie Security

  • No sensitive data in localStorage (should use cookies only)
  • CSRF protection working (via SameSite policy)
  • XSS protection (HttpOnly cookies)

2. API Security

  • Unauthenticated requests to protected routes return 401
  • JWT tokens properly validated
  • No exposed sensitive data in API responses

🚨 Troubleshooting Guide

Common Issues and Solutions

Issue: "NameError: name 'request' is not defined"

  • ✅ Fixed: Added from flask import request to backend/app.py

Issue: Authentication fails after page reload

  • ✅ Fixed: Changed cookie sameSite from 'Strict' to 'Lax' for production
  • ✅ Fixed: Updated API client to use production URL

Issue: CORS errors in browser console

  • ✅ Fixed: Added Hugging Face Space URL to CORS origins
  • ✅ Fixed: Ensured CORS headers include necessary fields

Issue: Cookies not being set

  • ✅ Verify: secure flag matches HTTPS environment
  • ✅ Verify: sameSite policy is appropriate for deployment
  • ✅ Verify: CORS allows credentials

📝 Final Verification

Success Criteria

  • User can login successfully
  • User remains logged in after page reload
  • Protected routes are accessible only when authenticated
  • Logout functionality works correctly
  • No console errors or warnings
  • All security headers are present
  • Application works across different browsers

Deployment Complete When:

All checkboxes above are marked as complete ✅

Note: If any test fails, refer to the troubleshooting guide above and ensure all fixes have been applied before redeploying.