RCRui Coelhoinruicoelho.hashnode.dev·2d ago · 29 min readPi-hole + Unbound: Building a Real DNS Resolver for Your HomelabPi-hole is usually the gateway drug into homelabbing. It’s easy to deploy, the dashboard looks great, and within an hour of setting it up you can watch ad and tracker requests get swallowed network-wi00
RCRui Coelhoinruicoelho.hashnode.dev·Jul 7 · 8 min readArgo CD 3.5 RC2 Is Here: What You Should Test Before the Final ReleaseTL;DR Argo CD 3.5 isn’t a feature-heavy release. Instead, it focuses on platform maturity through improvements in security, OCI support, ApplicationSets and operational consistency. If you’re planning00
RCRui Coelhoinruicoelho.hashnode.dev·Jul 7 · 7 min readArgoCD v3.2.5: Critical Patch Release with Stability ImprovementsHow this update keeps your GitOps pipeline secure and stable Introduction The ArgoCD community recently released version v3.2.5 on January 14, 2026, replacing v3.2.4 which was marked as invalid. This 00
RCRui Coelhoinruicoelho.hashnode.dev·Jul 7 · 15 min readTerraform vs OpenTofu: A Comprehensive Comparison for Infrastructure as Code The infrastructure as code (IaC) landscape experienced a significant shift in August 2023 when HashiCorp changed Terraform’s license from the Mozilla Public License (MPL) to the Business Source Licens00
RCRui Coelhoinruicoelho.hashnode.dev·Jul 7 · 11 min readBuilding Your First GitHub Custom Action: A Step-by-Step GuideWhy Custom Actions Matter If you’re using GitHub Actions for CI/CD, you’ve probably noticed yourself writing the same workflow steps over and over. Maybe you’re always checking PR sizes, validating co00
