docker-hadolint
Docker & Hadolint validation (2026). Use when working with Docker, containers, or validating Dockerfiles.
How do I install this agent skill?
npx skills add https://github.com/thebeardedbearsas/claude-craft --skill docker-hadolintIs this agent skill safe to install?
- Gen Agent Trust Hubpass
This skill provides instructions and best practices for Docker and Hadolint validation. It references official documentation and well-known industry resources for container management and linting.
- Socketpass
No alerts
- Snykpass
Risk: LOW · No issues
- Runlayerpass
1 file scanned · No issues
What does this agent skill do?
Docker & Hadolint (2026)
Versions (avril 2026)
- Docker Engine : 29.5.2 (patch sécurité, juin 2026)
Source : https://docs.docker.com/engine/release-notes/29/ - Docker Compose : Spec v5.0.0 "Mont Blanc" (champ
version:obsolète depuis v2.40+)
Source : https://www.compose-spec.io/ - Hadolint : v2.12.0 (version stable pinnée)
Source : https://github.com/hadolint/hadolint/releases/tag/v2.12.0
Validation Hadolint
TOUJOURS utiliser la version pinnée v2.12.0 (jamais latest ou sans tag).
# Validation Dockerfile
docker run --rm -i hadolint/hadolint:v2.12.0 < Dockerfile
# Validation via Makefile (recommandé)
make hadolint
Best Practices 2026
BuildKit Cache Mounts
RUN --mount=type=cache,target=/var/cache/apk \
apk add --no-cache postgresql-dev
Bénéfice : Réduction temps build de 40-60%
Source : https://docs.docker.com/build/cache/
BuildKit Secrets
RUN --mount=type=secret,id=composer_token \
COMPOSER_AUTH="$(cat /run/secrets/composer_token)" composer install
Bénéfice : Aucun secret dans l'image finale
Source : https://docs.docker.com/build/building/secrets/
Multi-Stage Builds
FROM php:8.4-fpm-alpine AS builder
RUN composer install
FROM php:8.4-fpm-alpine AS runtime
COPY --from=builder /app /app
Bénéfice : Réduction taille image de 60-97%
Source : https://docs.docker.com/build/building/multi-stage/
Images Distroless
FROM gcr.io/distroless/php8.4-fpm
COPY --from=builder /app /app
Bénéfice : Surface d'attaque minimale, CVE réduites de 90%
Source : https://github.com/GoogleContainerTools/distroless
Documentation Complète
Voir @.claude/references/symfony/docker.md pour architecture complète et exemples.
How can the creator link this skill?
Add the canonical catalog link to the repository README so users can inspect current installs and available audits. The publishing guide covers the complete discovery path.
<a href="https://skillzs.dev/skills/thebeardedbearsas/claude-craft/docker-hadolint">View docker-hadolint on skillZs</a>