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Notes from the workbench

Practical engineering tips, design theory and performance breakdowns — written for developers and founders who like their advice tested in production.

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SecurityJul 18, 2026

File Uploads Done Right: Security, Storage and Scale

A file upload form is one of the riskiest features you can build. How to validate real file types, store files safely, upload straight to object storage, and serve user content without opening holes.

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