Skill

deployment-cicd

Deployment and CI/CD patterns - Docker, GitHub Actions, pipelines, infrastructure. Auto-loaded when working with deployment configs, workflows, or container files.

npx claudepluginhub littlelingo/context-engine --plugin context-engine

Tool Access

This skill uses the workspace's default tool permissions.

Preview

- Multi-stage builds to minimize image size

SKILL.md

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Last CommitMar 29, 2026

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Deployment & CI/CD

Docker

Multi-stage builds to minimize image size

Pin base image versions (e.g., node:20.11-bookworm, not node:latest)

Non-root user in production containers

.dockerignore mirrors .gitignore plus node_modules, .git, .env

Health checks in docker-compose and Dockerfile

GitHub Actions

Cache dependencies (actions/cache) to speed up builds

Use matrix builds for multi-version testing

Pin action versions to SHA, not tags (actions/checkout@v4 -> SHA)

Secrets via repository settings, never hardcoded

Fail fast on lint/type-check before running expensive tests

Pipeline Structure

lint -> type-check -> unit-tests -> build -> integration-tests -> deploy

Each stage gates the next

Lint and type-check are cheap - run them first

Deploy only from main/release branches

Environment Promotion

dev -> staging -> production (never skip staging)

Same Docker image promoted between environments (different config only)

Feature flags for gradual rollout

Rollback plan before every production deploy

Common Pitfalls

Secrets in Docker build args (visible in image history)

Running npm install instead of npm ci in CI

Missing .dockerignore - copying node_modules into build context

No health check endpoint for container orchestrators