Run Backstage with Keycloak SSO on Ubuntu (Without Docker, Minimal Changes)
The official Backstage docs are excellent and very complete. They also move fast: Docker images, Postgres, Kubernetes, and a lot
DevOps & Software Delivery
Docker
Android & Mobile Development
Build and Publish Android App to Google Play with Jenkins + Vault + Gradle Play Publisher (Docker)
Related guides (prereqs) This post stitches the pieces into a reusable, production-safe pipeline: Jenkins builds a signed AAB in Docker,
DevOps & Software Delivery
Use Sonatype Nexus as a Docker Registry Mirror
This guide builds on my earlier posts (read first): We won’t repeat previous steps. This post only covers: creating the
DevOps & Software Delivery
Host Your Own Docker Images on Sonatype Nexus 3 OSS (HTTPS via HAProxy, Ubuntu 24.04)
Why use Nexus as a Docker Registry? If you already run Sonatype Nexus and don’t want to stand up Harbor,
Identity, Security & PKI
Enable Trivy on an Existing Harbor 2.14.0
TL;DR Stop Harbor → run ./prepare –with-trivy once → start Harbor. Because you previously had no scanner, Trivy becomes the
Android & Mobile Development
How to Build an Android App in Docker
Building Android apps in Docker is a powerful way to create a clean, portable, and reproducible environment, especially useful for
Identity, Security & PKI
Install DefectDojo with Docker and HAProxy on Ubuntu 24.04
DefectDojo is an open-source application vulnerability management system designed to help security teams track, triage, and report security findings at
Containers & Kubernetes
Install Harbor 2.13.1 on Ubuntu 24.04 with HAProxy, Let’s Encrypt (DNS-01), and Systemd
What is Harbor? Harbor is a cloud-native container registry that secures and manages container images for your organization. Initially developed
Android & Mobile Development
Build Android 15 AOSP with Jenkins and Docker on an SSH Connected Agent
This guide walks you through setting up a Jenkins pipeline to build AOSP 15 using Docker on a remote SSH-connected
Android & Mobile Development
Build Android 15 (AOSP) with Docker on Ubuntu 24.04
Why Docker Instead of Podman? While Podman supports rootless builds, Docker is the better choice for most users, especially in