Node.js Express Login example with PostgreSQL

The coding monk on Instagram: "Ever Wonder How Login Actually Works? 🤔 Here’s how authentication actually works in a Node.js app 👇 1️⃣ User signs up → we hash the password and save it in MongoDB 2️⃣ On login → we verify the password using bcrypt 3️⃣ If it’s valid → we generate a JWT (JSON Web Token) 4️⃣ That token is sent back to the client and stored (usually in localStorage or cookies) 5️⃣ Every time you make a request → that JWT is verified by the backend middleware 🔥 That’s how the backen