In this guide, I will show you how to quickly set up infrastructure needed to deploy TypeScript code to an AWS Lambda function. There are times when you just want to run some code in the cloud. The fastest way usually is to “click” your way around in your cloud…

Just like many, when I started to build React.js web apps I used the useEffect hook to fetch data because the (now old) documentation said so. A few months ago I stumbled on this article below about the useEffect hook and data fetching: Why useEffect is a bad place to make API calls The design choices react team have made in useEffect hook are still a heated debate. Some people like it and some…articles.wesionary.team

In this post we’ll create a React.js frontend with create-react-app and host it on a Node.js server (I have done this earlier in this post). This time we will let this server also handle an API call which the React.js frontend will fetch. Everything will be in TypeScript. We will…

I often see presentations about best practices to detect bugs early on and prevent them. Obviously preventing is better than fixing. However, things can always go wrong. Even if your code is perfect the following things can happen: The client can do invalid requests Network problems Hardware failures The database…

I found a lot of tutorials explaining how to host React apps online. Some just explain how to copy everything in the build folder to a CDN and stop there, others use complete solutions such as Next.js to be able to do a lot more. I needed more than just…

In the previous post I’ve created a sample backend with Node.js and TypeScript that can store comments via a POST call on /comments. I included some standard error handling for incorrect JSON syntax, but it didn’t actually check if the fields defined in our interface existed and contained correct values…

The first thing you want to do after creating a hello world REST service using TypeScript, Node.js and Express.js is figure out how to let it consume and produce JSON. Grabbing the template from last blog post If you didn’t follow the previous blog post, make sure you have: A recent version of git Node.js and thus…

There are some guides already on how to set this up. I’m going to do exactly the same, but only add the stuff that I find useful and up to date as of July 2020. Create a folder (I’m calling mine “node-ts-again”) in your workspace and browse to it via…

In this post I’m going to show to set up Continuous Delivery for a simple Java micro service built with Maven. …