Automated summary
This skill guides the security audit of Docker images and containers, from vulnerability scanning to Dockerfile and runtime hardening.
Strengths
- Covers the whole chain: CVE scanning, root execution, secrets in layers, read-only filesystems
- Concrete, actionable steps that can be applied directly to an existing Dockerfile
- Also addresses attack-surface reduction (image size, network segmentation, health checks)
- Works well as a pre-production checklist
Limitations
- Does not name a scanning tool (Trivy, Grype, Docker Scout) or give exact commands
- No exception policies or severity thresholds described
- Focuses on Docker only, not Kubernetes-specific controls
Use it when preparing or reviewing a Dockerfile or image ahead of a production deployment.
Do not use it for application-level code security review or advanced Kubernetes hardening.
Security analysis
SafeThe skill contains only defensive Docker security guidance and does not instruct destructive commands, secret exfiltration, obfuscated payloads, or safety bypasses. Although it references powerful areas like image scanning and container hardening, it provides no executable commands or tool integrations.
No concerns found
How this analysis is madeExamples
Audite ce Dockerfile : vérifie l'exécution en root, les secrets dans les couches et la taille de l'image, puis propose une version durcie.I'm about to deploy this Docker image to production. Scan it for known vulnerabilities, check that it doesn't run as root, and confirm no secrets are baked into the layers.Add health checks, resource limits and a read-only filesystem to this docker-compose service, and explain the network segmentation you'd recommend.Docker Security Auditor
Secure Docker containers and images.
When to Use
- Before deploying containers to production
- Auditing Dockerfile best practices
- Reducing container attack surface
Instructions
- Scan images for known vulnerabilities
- Check for running as root
- Minimize image layers and size
- Verify no secrets in image layers
- Add health checks and resource limits
- Configure read-only filesystems
- Implement network segmentation
From the file to a first result
The download contains exactly the content displayed on this page. This copy may differ from the latest version in the source repository.
No external provenance is recorded: only the copy on this page is available.
This download contains SKILL.md only. Any scripts, references, templates and dependencies are not included. Get the required files from the source, preserving their directory structure, before continuing.
1. Download the file
Download SKILL.mdFrom the root of a test project, save the file as .skill-downloads/docker-security-auditor-4cc20e/SKILL.md, or use the command below. This folder is for inspecting the skill before installation.
Command for macOS/Linux or WSL: requires a POSIX shell and curl. On Windows without WSL, use the download button and create the folder manually.
mkdir -p '.skill-downloads/docker-security-auditor-4cc20e' && curl --fail --show-error --location 'https://skills-guides.com/api/skills/docker-security-auditor-4cc20e/download' --output '.skill-downloads/docker-security-auditor-4cc20e/SKILL.md.part' && mv '.skill-downloads/docker-security-auditor-4cc20e/SKILL.md.part' '.skill-downloads/docker-security-auditor-4cc20e/SKILL.md'2. Check prerequisites
Read SKILL.md before using it. If it references scripts or external services, inspect them and prepare the required access in your test environment.
No recognized prerequisites section in this file. This does not mean it is self-contained: libraries, tools and access requirements may be mentioned elsewhere in the content or source repository.
The platforms on this page are catalog indications. The paths below follow tool documentation; they do not prove this skill has been run in those tools. No minimum tool version is confirmed for this listing.
3. Load the skill
This file does not provide a usable name/description header for this native procedure. It remains available to download and inspect; use the manual method below.
Manual method or another tool: attach SKILL.md to a conversation, or open it in an agent that can read files. Include any required supporting resources. No universal folder is recognized by every tool.
4. Try a first task
Use a short, synthetic input: an API endpoint, a small document or an interface brief. In a new conversation, attach the file or give the agent its path, then adapt this request:
Read .skill-downloads/docker-security-auditor-4cc20e/SKILL.md and apply its instructions to this example: [describe a test input]. Identify any missing files, dependencies or access. Produce the result requested by the skill without inventing data or running unreviewed scripts.Expected result: output matching the skill instructions, or a precise list of missing prerequisites. A read confirmation alone does not validate a first use. If an external resource is unavailable, that path remains untested.
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