Skill

docker-kubernetes

Docker and Kubernetes production patterns: multi-stage Dockerfile, distroless images, Kubernetes Deployment with resource limits, HPA, liveness/readiness/startup probes, ConfigMaps and Secrets, PodDisruptionBudget, NetworkPolicy, RBAC. Production checklist. Use when containerizing apps, writing K8s manifests, scaling workloads, hardening clusters.

Install

npx claudepluginhub rnavarych/alpha-engineer --plugin billy-milligan

Tool Access

This skill is limited to using the following tools:

ReadGrepGlob

Preview

- Writing production-grade Dockerfiles

Supporting Assets

references/dockerfile-patterns.mdreferences/helm-patterns.mdreferences/k8s-manifests.mdscripts/docker-lint.sh

SKILL.md

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Stats

Parent Repo Stars9

Parent Repo Forks0

Last CommitFeb 23, 2026

Actions

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docker-kubernetes

Core Principles

Multi-stage builds for small images — builder stage installs dependencies; final stage is minimal; 180MB vs 1.2GB

Resource limits are mandatory — no limits = one pod can starve all others on the node

Readiness != Liveness — readiness controls traffic; liveness triggers restart; startup handles slow init

Pods are ephemeral — never store state in a pod; PVCs for persistence, external services for state

Least privilege RBAC — service accounts with minimum permissions; separate SA per service

References available

references/dockerfile-patterns.md — multi-stage Node.js Dockerfile, distroless Go image, non-root user, dumb-init

references/k8s-manifests.md — Deployment with resource limits, HPA, PodDisruptionBudget, health check endpoints, topology spread

references/helm-patterns.md — Helm chart structure, values templating, hooks, release strategies

Docker & Kubernetes Production Patterns

When to Use This Skill

Writing production-grade Dockerfiles
Creating Kubernetes Deployment manifests
Configuring autoscaling with HPA
Setting up liveness/readiness probes
Hardening cluster security with RBAC and NetworkPolicy

Core Principles

Multi-stage builds for small images — builder stage installs dependencies; final stage is minimal; 180MB vs 1.2GB
Resource limits are mandatory — no limits = one pod can starve all others on the node
Readiness != Liveness — readiness controls traffic; liveness triggers restart; startup handles slow init
Pods are ephemeral — never store state in a pod; PVCs for persistence, external services for state
Least privilege RBAC — service accounts with minimum permissions; separate SA per service

References available

references/dockerfile-patterns.md — multi-stage Node.js Dockerfile, distroless Go image, non-root user, dumb-init
references/k8s-manifests.md — Deployment with resource limits, HPA, PodDisruptionBudget, health check endpoints, topology spread
references/helm-patterns.md — Helm chart structure, values templating, hooks, release strategies

Scripts available

scripts/docker-lint.sh — lint Dockerfile against production checklist