Tutorials and guides on web app development, cloud, and deployment.https://kunalships.dev/https://kunalships.dev/articles/direct-browser-uploads-s3-presigned-urls/https://kunalships.dev/articles/direct-browser-uploads-s3-presigned-urls/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.Thu, 13 Aug 2026 00:00:00 GMT