Docker Configuration Validator

Validate Dockerfiles and Compose configurations with Hadolint and DCLint.

58|8|Updated Oct 18, 2025

Search Tags:#security #validation #docker #dockerfile #compose #hadolint #dclint

Ready to run

npx skills add https://github.com/rknall/claude-skills --skill docker-configuration-validator

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Docker Configuration Validator
Source: https://github.com/rknall/claude-skills/tree/main/docker-validation
Command: npx skills add https://github.com/rknall/claude-skills --skill docker-configuration-validator

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill automates the validation of Dockerfiles and Docker Compose configurations to enforce modern practices, security standards, and correct syntax, reducing the risk of defective images and misconfigured deployments.

Core Features & Use Cases

Dockerfile Validation: Hadolint integration for syntax and best practices
Compose Validation: Ensures modern Compose syntax and service quality
Security & Optimization: Checks for secrets exposure, root usage, and efficient layering
Automation Ready: Generates validation scripts and CI/CD integrations for repeatable checks
Multi-Tool Coverage: Optional tooling like Trivy or Dive for deeper analysis

Quick Start

Run claude "validate Dockerfiles and docker-compose.yml" in your project to obtain a detailed report and remediation guidance.

Frequently Asked Questions about Docker Configuration Validator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I validate Dockerfiles for security and best practices?▼

Dockerfile validation checks syntax, security issues like root usage and secret exposure, and adherence to modern best practices using Hadolint integration. Run validation against your Dockerfile to receive a detailed report with prioritized issues and remediation guidance.

Can I validate Docker Compose configurations for correctness?▼

Docker Compose validation ensures modern syntax compliance, detects obsolete configuration patterns, and validates service quality. The Skill checks multi-service setups for configuration errors and best-practice violations.

What security checks does Docker validation cover?▼

Security validation detects secrets exposure in Dockerfiles, identifies root usage vulnerabilities, analyzes multi-stage build hygiene, and flags insecure patterns. Results are prioritized by severity for focused remediation.

How do I integrate Docker validation into CI/CD pipelines?▼

Docker validation generates automation scripts and CI/CD integration templates for repeatable checks. The Skill produces ready-to-use configurations that enforce validation gates in your deployment workflow.

Does Docker validation work with multi-stage builds?▼

Yes. Multi-stage build analysis validates layer efficiency, detects configuration issues across stages, and ensures security practices are applied consistently throughout the build process.