Jenkins is the leading open-source automation server for CI/CD pipelines. This guide installs the latest LTS Jenkins on Ubuntu 24.04 LTS with Java 21 and configures it behind Nginx. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Minimum 1 GB RAM (2 GB recommended) A user with sudo privileges Step 1 […]
GitLab Community Edition is a full-featured DevOps platform that combines Git repository management, CI/CD pipelines, issue tracking, and a container registry in a single application. This guide installs GitLab CE on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Minimum 4 GB RAM (8 GB recommended) A domain […]
GitHub Actions self-hosted runners let you run CI/CD workflows on your own infrastructure, giving you more control over hardware, software, and networking. This guide registers a self-hosted runner on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A GitHub account and repository A user with sudo privileges Step […]
Jenkins is the most widely used open-source automation server. It supports building, testing, and deploying software through pipelines defined as code (Jenkinsfile). This guide installs Jenkins LTS on Ubuntu 26.04 LTS and secures it behind Nginx with HTTPS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Java 21+ (OpenJDK) Nginx installed […]
GitLab Community Edition (CE) is a self-hosted Git repository platform with built-in CI/CD, issue tracking, container registry, and merge request workflows. This guide installs GitLab CE on Ubuntu 26.04 LTS using the official Omnibus package. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with at least 4 GB RAM and 2 CPUs […]
GitHub Actions self-hosted runners allow you to run CI/CD workflows on your own hardware, giving you full control over the environment, installed tools, network access, and compute resources. This guide registers and configures a GitHub Actions self-hosted runner on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A GitHub […]
ArgoCD is a declarative GitOps continuous delivery tool for Kubernetes. It monitors Git repositories and automatically syncs the desired application state into your Kubernetes cluster. This guide installs and configures ArgoCD on Ubuntu 26.04 LTS with a running Kubernetes cluster. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with a running Kubernetes […]
Developing and releasing software can be a complicated process, especially as applications, teams, and deployment infrastructure grow in complexity themselves. Often, challenges become more pronounced as projects grow. To develop, test, and release software in a quick and…
In this tutorial, you’ll build an address book API service with Node.js and use Semaphore to test, build, and deploy it to Kubernetes and the cloud provider Managed PostgreSQL.
In this guide, you will learn how to optimize Docker images in a few simple steps, making them smaller, faster, and better suited for production. You’ll build images for a sample Go API in several different Docker containers, starting with Ubuntu and language-specific images, then moving on to the Alpine Linux distribution. You will also use multi-stage builds to optimize your images for production.
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