Improve your micro-service architecture

What is AWS X-Ray?

X-ray is AWS’s distributed tracing system. What the hell is a distributed tracing system? That means that you can trace requests as they travel through your architecture. Distributed tracing allows you to find any bottlenecks that may exist in your application flow. When working in a micro-service world distributed tracing…

Understanding the Angular Lifecycle

What is Angular?

Taken from the Angular docs, “Angular is a framework and platform for building single-page apps”. It is one of the big three frontend frameworks along with React and Vue. Angular consists of a few core concepts: Modules, Components, and Services. Each of these core concepts has a few concepts of…

Get certified not dumped

Get certified in X months articles are crap

Last month I attained my AWS Solution Architect Associate Certification(CSAA). It’s the first certification of my IT career and I’ve learned a lot from the whole experience. When researching the certification I came across a ton of articles talking about how to get it in a few months. I bought…

Let’s start the the high level. Amazon Simple Storage Service, better known as S3, offers a super durable, scalable storage solution. It offers 99.999999999% durability, also known as eleven 9’s. This means that once every 10,000 years you would lose some data in S3. All S3 tiers offer encryption at…

Three Lessons in Three Years

To write this post means that I’ve now spent three years in software development. Time flies and acknowledging that is scary. It feels like the other day when I walked into my first computer science class when it has now been ten years. Each year I’ve told myself I should…

take your code to the next() level

Photo by Karim MANJRA on Unsplash

What is it?

I view middleware as a layer of code that sits between a request and a response on a web server. Middleware can:

  • execute code
  • make changes to request and response objects
  • return a response
  • continue the request-response cycle by calling another middleware

How does it work in Nest.js?

Nest.js builds on top of Express. If you…

JT Earl

Programmer Since 17. Currently working in front-end and mid-tier programming for a finance company. Check out my Tech blog @

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