Blog
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How to Use Files in Bun JS
Bun comes with its own modules for handling file read and writes. Let’s whip up a simple server that allows us to see this in action. Read a File with Bun Initialise a new server and paste in the following code to your index.ts file: This will read an index.html file off disk and return…
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Environment Variables in Bun JS (bun env)
Bun JS, like all other server side tech, comes with the ability to read environment variables from files. Environment files in your project root directory are read in this particular order: Note that for item 2 bun will first read from variable NODE_ENV, to decide which one to select. You can also manually override which…
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Express Server with Email Password Auth
Introduction The FIRST thing you do with any app is to create authentication for it, after all you will have users and they will need accounts! In this article I will show you the basic idea with a standalone one file express server. We will use several popular off the shelf libraries such as express…
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Simple Express Server in 2 Minutes
Creating a basic server in Express.js is very straightforward. Express.js is a minimal and flexible Node.js web application framework that provides a robust set of features to develop web and mobile applications. To create a basic server, follow these steps: Your server will start, and you should see the message “Server is running at http://localhost:3000”…
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How to Add NPM Packages in Bun JS
Bun JS has an insanely fast package installer which is one great reason to upgrade to it over Node! To install a package in bun simply use: For example, install figlet (ASCII art) and its typings:
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Bun js Hot Reload – Full Guide
Bun incudes 2 very handy flags that will watch your project for file changes. I also cover this in my bun Elysia course. 1. Reload with the –watch flag This is used in the command to run your server, eg: If a files contents change within your project folder then bun will cold reload your…
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How to Create a Server in native Bun JS
Note that these instructions are for installing on Mac. Linux or WSL on Windows. Native Windows is experimental at this point (2023) so best to avoid it for now. Open up a folder in VS Code where your project will live. Open up a terminal within VS Code and enter: This will install bun for…
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Create a Basic Express JS Server
This server will print out a “hello world” to a local webpage on your PC. The steps are simple: Step 1: Install Node JS Go here https://nodejs.org/en/download/ and download the installer for your system (Max / Windows / Linux). Once installed verify by opening a cmd or terminal and typing “node -v && npm -v”…