How to install k3s + Traefik + CertManager + LetsEncrypt Why use k3s? k3s is a lightweight Kubernetes distribution designed to be minimal and efficient, making it well-suited for resource-constrained environments and use cases where simplicity and ease of deployment are important. It was created by Rancher Labs and is intended to simplify…

This article explains step-by-step how to implement a simple AWS Lambda with Serverless Framework. Prerequisites to follow this article AWS account aws-cli with the property permissions Node.js to use Serverless Framework Go Why use a AWS lambda? AWS Lambda is a serverless computing service provided by Amazon Web Services (AWS). It allows you to run your code in response to…

It is available since PHP version 7.4 but many do not understand how to use it. — Arrow functions, also known as “short closures”, were introduced in PHP 7.4 as a more concise way to define anonymous functions. They are particularly useful for small, simple functions. Probably if you come from other languages you are already used to using them but if this is not your case…

In this article we will see how to define a custom PHP collection — An Array is a basic data structure that stores values key/value without any constrictions or any OOP method and it is very difficult to control and maintain the data they contain. To solve this problem some modern frameworks like Laravel (Illuminate Collection) or Symfony (Doctrine ArrayCollection) use their own OOP…

Publish domain events on the Queue system when Doctrine flush entity using clean architectures. — In this example, we use: Symfony as PHP framework Symfony Messenger as EventBus Doctrine as ORM RabbitMQ as Message broker Create DomainEvent Entity First of all, create an abstract Entity of which they will inherit all domain events. …

An example to create pipeline to deploy a simple GO application into k3s cluster with Docker image from scratch — Previous requirements: GitHub Account Kubernetes cluster in this example I use a lightweight version of Kubernetes with K3s Simple http application with GO A simple illustrative example with http server on port 80 with basic handle respond on a main url. If you already have any application you can go to the next step.