Reference tour of Go benchmarks, pprof, tracing, flame graphs, and comparison workflows using a demo repo. Read more

Deep dive on Go’s context package covering cancellation, deadlines, and concrete HTTP, CLI, and concurrency patterns. Read more

Recommends rainbow deployments so long-running pods (like GitLab Runner) stay observable while new versions roll out. Read more

Compares docker export’s flattened container snapshots to docker save image archives and clarifies when to choose each command. Read more

Captures a Go execution trace and shows that pressing ? in the web UI reveals every navigation shortcut. Read more

Explains how systemd drop-in units override service sections (GitLab Runner example) and how to inspect active overrides with systemctl. Read more