Ci on Nick DeTello - Nicholas DeTellohttps://nick.detello.com/tags/ci/Recent content in Ci on Nick DeTello - Nicholas DeTelloHugoen-usFri, 02 Oct 2026 00:00:00 +0000A lease broker for one test board shared by CI and coding agentshttps://nick.detello.com/blog/lease-broker-shared-test-board/Fri, 02 Oct 2026 00:00:00 +0000https://nick.detello.com/blog/lease-broker-shared-test-board/Per-caller locks don’t compose when CI jobs, coding agents and I share one fragile board. What worked better was one broker that holds the board’s login, leases the board with two fencing tokens and quarantines it only when an outcome is unknown.Isolating a Nix remote builder in a microVM on a shared hosthttps://nick.detello.com/blog/isolating-nix-remote-builder-microvm-shared-host/Sun, 20 Sep 2026 00:00:00 +0000https://nick.detello.com/blog/isolating-nix-remote-builder-microvm-shared-host/Distributed builds lend spare capacity to CI, but build scripts execute untrusted code. I isolate them in a builder VM with its own kernel, restricted access and resources the host can reclaim.