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This guide works on any cloud provider and shows a production-style setup using Nginx + Node.js. What You’ll Learn Create a VM on any cloud provider Connect to the VM using SSH Install a web server Deploy a website Access it via public IP Step...

The Panic Moment It’s a Monday morning. You open your terminal to deploy a critical update for a client using a MERN stack on a VPS. You type your standard SSH command: bashssh -i "~/.ssh/my-key" user@123.45.67.89 And then... nothing. The cursor bli...

The Problem You’ve deployed your Node.js app to a VPS. Your code uses mongoose.startSession() for data integrity, but suddenly you get this error: MongoServerError: Transaction numbers are only allowed on a replica set member or mongos By default, ...

When working with JavaScript, you may encounter situations where using this behaves unexpectedly, especially in event listeners. A common example is the difference between using an arrow function and a normal function inside an event listener. Let's ...
