opsman

Expert guide for Flux CD GitOps on Kubernetes — install/bootstrap, repository structure, Flux resources, SOPS/RBAC security, validation, operations, upgrades, and troubleshooting

Expert GitLab guide — glab CLI mastery (mr/issue/ci/job/release/api with -F json/--jq), authoring .gitlab-ci.yml (rules, workflow, needs, artifacts, cache, includes, spec inputs), designing CI/CD pipelines (DAG, parent-child, multi-project, merge trains, environments), CI/CD components and the catalog, and pipeline security hardening (OIDC id_tokens, CI_JOB_TOKEN allowlists, protected branches/environments, masked variables)

Expert guide for the Google Cloud CLI — install/init/components, authentication (gcloud auth login vs Application Default Credentials, service accounts, impersonation, workload identity federation), named configurations and properties, scripting with --format/--filter projections, proxy settings, and headless/CI usage

Improve and enhance prompts — turn a raw, vague, or first-draft prompt into a clearer, stronger instruction by applying an ordered set of prompt-engineering techniques (clarity, context, multishot examples, XML structure, role, chain-of-thought, prompt chaining) and returning the rewrite plus a tagged change log

Expert guide for writing, hardening, debugging, and reviewing Bash and POSIX shell scripts — strict mode, defensive patterns, safe quoting/expansion, arrays, trap-based cleanup, getopts parsing, ShellCheck/shfmt linting, Bats testing, and Linux/macOS portability

Expert Kubernetes assistant — kubectl, manifests, Helm, GitOps (Flux/Argo CD), security hardening, debugging playbooks, and cluster operations

Skill

Expert GitHub guide — gh CLI mastery (repo/pr/issue/run/release/api with --json/--jq), authoring GitHub Actions workflows, building custom actions (composite, TypeScript/JavaScript, Docker), CI/CD best practices, Actions security hardening (SHA pinning, least-privilege permissions, OIDC), and repository management (rulesets, CODEOWNERS, releases, GHCR)

Expert guide for Argo CD GitOps on Kubernetes — install/upgrade, Application/AppProject/ApplicationSet resources, Helm/Kustomize workflows, RBAC/SSO security, operations, HA, and troubleshooting

Karpenter node autoscaling expert for EKS — NodePools, EC2NodeClasses, EKS Auto Mode NodeClasses, consolidation/disruption tuning, spot adoption, GPU pools, cost optimization, and node-level troubleshooting