Posts and interactive explainers on AWS, Kubernetes, CI/CD, test reporting and developer tooling.https://darrenrabbitt.com/https://darrenrabbs.github.io/cluster-decommissioning/https://darrenrabbs.github.io/cluster-decommissioning/How we retired 8 of 13 dev Kubernetes clusters and cut their spend by over 99%: choosing with evidence, winding down, tearing down and proving they're gone.Thu, 01 Oct 2026 00:00:00 GMThttps://darrenrabbs.github.io/supportmatrix/https://darrenrabbs.github.io/supportmatrix/A blueprint for automating a product's support matrix (the OS, Kubernetes and runtime versions it's proven to work with) using Python, Terraform and CI.Thu, 01 Oct 2026 00:00:00 GMThttps://medium.com/@darrenrabbitt/publishing-pytest-allure-reports-seamlessly-on-aws-71c6ce9db348https://medium.com/@darrenrabbitt/publishing-pytest-allure-reports-seamlessly-on-aws-71c6ce9db348Hosting Allure test reports privately on S3 and CloudFront from CI, using pytest-allure-host.Mon, 03 Nov 2025 00:00:00 GMThttps://darrenrabbitt.com/writing/ai-sec/https://darrenrabbitt.com/writing/ai-sec/One Dash dashboard for Checkov, TFLint and TFSec findings, with OpenAI-generated context.Sat, 04 Jan 2025 00:00:00 GMThttps://darrenrabbs.github.io/bdd-framework-design/https://darrenrabbs.github.io/bdd-framework-design/A concise architecture guide for designing layered, maintainable BDD automation frameworks.Wed, 01 Jan 2025 00:00:00 GMThttps://darrenrabbitt.com/writing/observability-prometheus-victoriametrics-tilt/https://darrenrabbitt.com/writing/observability-prometheus-victoriametrics-tilt/A local observability stack with Prometheus and VictoriaMetrics, run on Kubernetes with Tilt.Tue, 03 Sep 2024 00:00:00 GMThttps://darrenrabbitt.com/writing/interactive-skill-visualisation-react/https://darrenrabbitt.com/writing/interactive-skill-visualisation-react/Comparing Victory, Nivo and Recharts to build an interactive skills chart in React.Sat, 17 Aug 2024 00:00:00 GMThttps://darrenrabbitt.com/writing/cli-tool-github-actions/https://darrenrabbitt.com/writing/cli-tool-github-actions/Setting up CI/CD for Command Assist with GitHub Actions, through to publishing on PyPI.Thu, 15 Aug 2024 00:00:00 GMThttps://darrenrabbitt.com/writing/command-assist/https://darrenrabbitt.com/writing/command-assist/A CLI for saving and finding terminal commands without leaving the terminal, with optional AI help.Sat, 03 Aug 2024 00:00:00 GMThttps://darrenrabbitt.com/writing/eks-topology/https://darrenrabbitt.com/writing/eks-topology/Two explorable diagrams: the AWS side of EKS and the Kubernetes control plane.Mon, 18 Sep 2023 00:00:00 GMT