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Supabase Backend as a Service · Lesson

Image Transformations and Signed URLs

Serve resized, optimized images on the fly and grant temporary access to private files using Supabase Storage signed URLs.

Smarter File Delivery

Supabase Storage can transform images on request and create signed URLs for time-limited access to private files. Both reduce custom backend work.

Public vs Private Buckets

Public buckets serve files via a permanent URL. Private buckets require a signed URL or an authenticated request, controlled by policies.

All lessons in this course

  1. Storing Files in Supabase Buckets
  2. Managing Access with Policies
  3. Uploading and Retrieving Media
  4. Image Transformations and Signed URLs
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