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Storing Uploaded Files and Serving Them in Express

May 10 · 5 min read · Once file uploads start working in an Express application the next important step is understanding where those uploaded files actually go and how users can access them later. Many developers initially

Handling File Uploads in Express with Multer

May 10 · 4 min read · File uploads are extremely common in backend development because many applications need users to upload profile pictures PDFs documents videos or other media files. Initially file uploads feel slightl

JWT Authentication in Node.js Explained Simply

May 10 · 6 min read · Authentication is one of the most important parts of backend development because servers need some way to identify users after login. Suppose a user logs into a website and then tries to open their da

What is Middleware in Express and How It Works

May 10 · 5 min read · Middleware is one of the most important concepts in Express.js because almost every real backend application depends heavily on it. Initially middleware feels slightly confusing because it is not a fe

Sessions vs JWT vs Cookies: Understanding Authentication Approaches

May 10 · 6 min read · Authentication is one of the most important parts of backend development because servers need some way to identify users after login. If a user logs into an application the server must somehow remembe