---
title: "Review Dockerfiles for risky patterns and bad defaults with hadolint"
description: "Catch insecure Dockerfile patterns, brittle package-install habits, and shell pitfalls before image builds ship."
verification: "listed"
source: "https://github.com/hadolint/hadolint"
author: "hadolint"
publisher_type: "organization"
category:
  - "Security & Verification"
framework:
  - "Multi-Framework"
tool_ecosystem:
  github_repo: "hadolint/hadolint"
  github_stars: 12065
---

# Review Dockerfiles for risky patterns and bad defaults with hadolint

Catch insecure Dockerfile patterns, brittle package-install habits, and shell pitfalls before image builds ship.

## Prerequisites

hadolint binary and Dockerfiles

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

Install command or upstream instructions:

```
Install hadolint from the project releases, package manager, or container image, then run `hadolint Dockerfile` during review or CI.
```

## Documentation

- https://github.com/hadolint/hadolint

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/review-dockerfiles-for-risky-patterns-and-bad-defaults-with-hadolint/)