Harden container images by minimizing attack surface, stripping unnecessary packages, implementing multi-stage builds, configuring non-root users, and applying CIS Docker Benchmark recommendations to produce secure, production-ready images.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill performing-container-image-hardeningnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill performing-container-image-hardening -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill performing-container-image-hardening -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/performing-container-image-hardeninggh skill install mukul975/Anthropic-Cybersecurity-Skills performing-container-image-hardeninggit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/performing-container-image-hardening ~/.claude/skills/performing-container-image-hardening # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/performing-container-image-hardening ~/.agents/skills/performing-container-image-hardening # Codex, Cursor, Gemini CLI, Copilot, OpenCode