In this article, I am going to explain how we can take advantage of Cognito and API Gateway to manage user access control in our application quickly and simply.

Cognito provides a service that can scale to millions of users and supports sign-in with a variety of third-party identity providers…

One of the biggest challenges in programming is smoothly integrating any changes when we have several people working on the same project at once. For these cases Victor Rentea says:

If it hurts, do it more often, and bring the pain forward.

Here is where Continuous Integration and Continuous Deployment…

Introduction

The spread of containers has had a world-changing effect on the developer’s world. Nowadays we are using containers everyday to make our lives easier as developers. For this reason, I am going to introduce how to deploy our application in AWS using containers in ECS(Elastic Container Service).

In this article…

In this article we’re going to explore the monoid and semigroup, this will be our first introduction to purely algebraic structures. The reason to start with these structures is that they are simple to understand, ubiquitous and really useful.

Monoids come up all the time in everyday programming, whether we’re…

I would like to start this article by showing you a piece of code (see below).

Do you think this code will work?

In the code above we can see a function called ‘fibs’, and how this function calls itself to infinity. We are using this function to calculate…

This article is the continuation of my previous post How to build a SOLID Distributed Systems, you should check it out if you haven’t read it yet!

Some of you asked me if I could go into more detail and give a better explanation as to how we can improve…

Today I will be sharing my knowledge about distributed systems with you and what I’ve learnt from the last few years working on it. …

INTRODUCTION

In this short article I am going to show why Dijkstra’s algorithm is important and how to implement it. If you need some background information on graphs and data structure I would recommend reading more about it in Geeks for Geeks before reading this article. …

Carlos Hernández

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