Container Security Hardening Skill

A production-focused guide for building, scanning, and running containers securely — from Dockerfile authoring through runtime enforcement and supply chain integrity.

When to Use This Skill

• User mentions Docker security, container hardening, or Dockerfile security review
• User asks about distroless images, non-root containers, or read-only filesystems
• User wants to scan images for CVEs with Trivy, Grype, or Snyk
• User mentions seccomp, AppArmor, Linux capabilities, or runtime security
• User asks "is my Dockerfile secure?" or "how do I reduce my image attack surface?"
• User wants to sign/verify images with Cosign or generate SBOMs
• User asks about Kubernetes pod security, NetworkPolicy, or RBAC hardening
• User says "fix container CVEs" or "harden my container for production"

When NOT to Use This Skill