Stop 14 · Payments & Third-Party IntegrationsTopics · 3/6
File Storage (S3/Cloudinary)
Part of the Full Stack Developer Roadmap
In short
Storing user-uploaded files (avatars, documents, images) in dedicated cloud storage rather than on your application server's own disk, which doesn't survive redeploys or scale well.
How to learn this
- 1Upload a file from your React frontend to S3 or Cloudinary via your backend.
- 2Generate a signed URL for private file access instead of making everything public.
- 3Store the resulting file URL in your database, not the file itself.
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