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docker-patterns

Docker and container patterns — images, compose, multi-stage builds, CI.

Skill by alec-c4

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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/alec-c4-docker-patterns

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About

Docker and container patterns — images, compose, multi-stage builds, CI. Load for containerized apps and deploy pipelines.

Use cases: devops

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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  • codeload.github.com · found in install command

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  • ~/.claude/skills/docker-patterns

What's inside

Skill name
docker-patterns
Description
Docker and container patterns — images, compose, multi-stage builds, CI. Load for containerized apps and deploy pipelines.
License
MIT
Instructions
32 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Docker patterns

Use when authoring Dockerfiles, Compose files, or container CI steps.

## Images

- **Multi-stage builds** — separate build and runtime; minimal final image (distroless or slim base when possible).
- **Layer order** — dependency install before app copy; leverage build cache.
- **Non-root user** — run as unprivileged UID in production images.
- **`.dockerignore`** — exclude `.git`, `node_modules`, `.env`, local artifacts.

## Compose

- Pin image digests or minor tags in production compose; document dev overrides in `compose.override.yaml`.
- Healthchecks on services the app depends on; explicit `depends_on` with condition when supported.
- Secrets via env files **not** committed — use `.env.example` only.

## CI

- Build and scan in CI (`docker scout`, Trivy, or registry scanner) before push.
- Tag with git SHA; avoid `latest` only in production registries.

## Do not

- Bake secrets or `.env` into images.
- Run as root in production without justification.

## References

- [Docker docs](https://docs.docker.com/)

From alec-c4/agent_dev_kit, MIT.

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Last commit (this folder)
Sep 2, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Repository
github.com/alec-c4/agent_dev_kit
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

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Cite this page

docker-patterns skill. Agent Mart. https://agentmart.dev/skills/alec-c4-docker-patterns (last updated 2026-10-24)