A comprehensive guide to CI/CD — So first of all, when you hear terms like Waterfall, SCRUM, Sprint, Agile, Continuous Integration, Continuous Delivery, Continuous Deployment, DevOps, DevSecOps, etc; think of those terms as a way of doing something, not a skill set. All the above are concepts that can be applied in different ways, depending on…

Intro to C# In this article, we are going to explore c#, an OOP language, in order to showcase and understand OOP concepts. What is C#? C# is a simple, modern, general-purpose, object-oriented programming language developed by Microsoft within its .NET initiative led by Anders Hejlsberg. C# is a modern, general-purpose, object-oriented programming…

A quick guide to Big O notation — Algorithm’s Time Complexity Let’s start with a short popular fun story: I’m originally from the D.R.Congo, in Central Africa and we have a very low internet speed. …

Cloud-Powered Apps with Angular & Firebase — We are going to demo how to setup Github Actions in your Angular project to build and deploy your app to Firebase. Assumptions: for the purspose of this demo, I assume that your angular project repo is on Github and was built with firebase. What are GitHub Actions Back in 2018, a new feature…

Intro to Static Code Analysis Let’s start by taking a look at some of the amazing and fascinating technology, application, software, platform, and big companies today. For example, Machine Learning, Internet of Things, Instagram, Uber, Netflix, Google search engine, Amazon, Telsa, Spotify, Video games, etc. Now, think of what makes…

Intro to Linux for Beginners Linus is an OS inspired by Unix (a clone of Unix)→ Which is also just a Kernel (it’s open-source and free) — There are multiple Linux distributions (GUI + GNU — GNU’s not Linux) or flavors (red hat, CentOS, Ubuntu, etc) Linux components: — Kernel…

Intro to Site Reliability Engineering — SRE So before we go ahead give definitions of terms and explain stuff, I want you to take a moment and to the following: Think of IT as Construction — think of an IT team building an app, software, IT platform, sercice, etc. The…

Provision, Configure & Deploy to Google Cloud Platform Pre-requisites: * This demo requires basic knowledge, understanding and familiarity of Google Cloud Plaftform, Docker, Kubernetes, terraform and Github Actions. This tutorial demo is the next demo to a series of demos I have been publishing about building and deploying a NodeJS…

Deploy to Kubernetes and Heroku using GitHub Actions Prerequisites Download and install Docker Desktop as described in Orientation and setup. Familiarity with Heroku PaaS, Orchestration, Kubernetes, Docker, NodeJS, GitHub, GitHub Actions What is orchestration? In system administration, orchestration is the automated configuration, coordination, and management of computer systems and software…