Skip to main content

Supabase Authentication Setup

This guide will walk you through setting up authentication in your Supabase project.

1. Enable Authentication Providers​

  1. Go to your Supabase dashboard
  2. Navigate to Authentication > Providers
  3. Enable the following providers:
    • Email (for Magic Link)
    • Google (for Google Sign-In)

  1. In the Email provider settings:

    • Enable "Magic Link"
    • Configure your site URL
    • Set up redirect URLs
    • Customize email templates

  2. Update your environment variables:

    NEXT_PUBLIC_SITE_URL=http://localhost:3000
    NEXT_PUBLIC_SUPABASE_URL=your_supabase_url
    NEXT_PUBLIC_SUPABASE_ANON_KEY=your_anon_key

3. Set Up Google Authentication​

  1. Follow the Google Sign-In Setup guide
  2. Add the Google credentials to your environment: 
    GOOGLE_CLIENT_ID=your_google_client_id
    GOOGLE_CLIENT_SECRET=your_google_client_secret

4. Test Authentication​

  1. Start your development server
  2. Test Magic Link authentication
  3. Test Google Sign-In
  4. Verify redirect flows

Next Steps​

  1. Configure email templates
  2. Set up Row Level Security
  3. Deploy to production