Try this approach to discover issues before they even come into play in production. Would you like to know how? Check this out! — It’s incredible when your back-end project is well implemented in terms of unit and integration tests, covering most of the business rules that your application should respect to deliver what is expected for those who will use it. Now the moment has come! …

Let’s use the RE module and Data Classes to check if a given tweet text is valid to our fictional business rule. Type hints can help with gradual typing. Come! — Before we jump into the code, let’s first define our fictional business rule ✍: After the mention, the word “concedes” must be present. It is identified as the trigger keyword. After the keyword, at least one hashtag must be present. …

You have tests everywhere, but you still get an error when you try to run your application because of some wrong infrastructure setup. Know one way to fix that. — It’s fantastic when you have all of your unit tests returning green signs everywhere. Still, when you execute your project, it raises an error because an infrastructure setup is wrong, making it impossible to run your Web API properly 😑. It can be how you set up your logs, database…

It’s crucial to configure your domain to answer IPv4 and IPv6 addresses. How can we do that with GKE Ingress? Come closer, and let’s discover how to do it and some of its limitations. — In the past, when you were about to release a website to be accessed worldwide, you usually would have the following: A domain where your users would use to access your website. Reserved IPv4 public address. A configuration that consists of a DNS entry of type A mapping your IPv4…

When you configure your application and receive an error 502 (Bad Gateway), mostly this happens because of a wrong setup. To illustrate, let’s see one circumstance and how to fix it. — Past few days, I was configuring a GKE cluster for my personal projects. Some of them had to be accessed through the internet; hence I created an ingress to do this job. Here’s an example of ingress using Terraform:

Know another way to avoid unexpected incidents in production. It will allow you to write production-ready startup shell scripts. Learn about The Set Builtin. — When you build an application and make it available through container technology, either you have an ENTRYPOINT or CMD instructions at the end of its Dockerfile. Depending on which framework you’re using and some requirements you have, sometimes it’s better to have a bash script responsible for running your project…

Nothing like a quick setup with Terraform to make your application available. There are many ways to deploy it, but how about using Google Compute Engine with the cheapest machine and using a container image? Let’s see how! — Recently I developed a worker that would listen to published tasks through a database. For this sole purpose, I used Django Q. When I finished its development, I started wondering how I would enable it in production. As my whole stack is on GCP for personal projects, I found an…

Increased cognitive load can have a considerable impact on the ongoing of a project. Know how to minimize it a bit through one simple approach with environment variables. — Recently I had to create a new JavaScript project. I chose a framework and some libraries that I haven’t used before. First, I tried to find lessons learned and projects on GitHub targeting the tools I decided on and then use them as a way to create my own project…

Reinventing the wheel, depending on the context, can be brilliant! Curiosity can lead us into new enchanting things. — If I had to recommend someone to start a blog, taking into consideration things like time to market, huge ecosystems, tutorials, and no expected advanced knowledge in programming at all, I would tell them to start right away with Blogger, or if more options are needed, then Wordpress would be…