Use when working with Docker, Kubernetes, Terraform, CI/CD, cloud providers (AWS/GCP/Azure), serverless, observability, bash/shell scripts (getopts, strict mode, traps), systemd, or infrastructure tooling. Also covers Helm, GitHub Actions, GitLab CI, Lambda, Cloud Run, ECS, EKS, GKE, nginx, DNS, SSL, Prometheus, Grafana, OpenTelemetry, FinOps, GitOps, ArgoCD, service mesh, Istio, BATS testing, ShellCheck, cron, awk, sed, curl, parallel execution, signal handling, process management.
Cloud Infrastructure & Shell Tooling
Unified skill for cloud infrastructure, DevOps, and shell scripting. Infrastructure should be reproducible, version-controlled, and immutable. Shell scripts are infrastructure glue -- they deserve the same rigor as application code.