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write-a-lean-dockerignore

85 / 100 · Low risk

Fine to try.

By jiayaoqijia/cryptoskill (GitHub) · coding · 81 stars · scanned at commit 0dc9f60

Use when `docker build` sends a multi-GB context or a secret file lands in the image. Writes a .dockerignore that trims the build context and keeps .git, env files and build output out of layers.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'write-a-lean-dockerignore' ] || [ -L ~/.agents/skills/'write-a-lean-dockerignore' ]; then echo 'A skill folder named write-a-lean-dockerignore already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/jiayaoqijia/cryptoskill' "$d" && git -C "$d" checkout --quiet '0dc9f60ab1f3fcae24da49c4cef09c46c589f903' -- 'skills/payments/0xklen-write-a-lean-dockerignore' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/payments/0xklen-write-a-lean-dockerignore' ~/.agents/skills/'write-a-lean-dockerignore' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'write-a-lean-dockerignore' ~/.claude/skills/'write-a-lean-dockerignore' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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