$ git push origin prod

Build it. Ship it. Write it down.

Tutorials, guides, and project ideas on web app development, cloud, and deployment — from a backend engineer who ships to production.

Ship log

2026-08-13 Tutorial

Direct Browser Uploads to S3 with Presigned URLs (Django + boto3)

Upload files from the browser straight to S3 — no proxying through your backend. Presigned PUT URLs with Django, the s3v4 SignatureDoesNotMatch fix, and the exact CORS config you need.

#aws #s3 #django #python 6 min read

All articles →