dockerfmt

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  "desc": "Dockerfile format and parser. a modern dockfmt",
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  "github_readme_excerpt": "# dockerfmt\n\n[![Go](https://img.shields.io/github/go-mod/go-version/reteps/dockerfmt)](https://github.com/reteps/dockerfmt)\n[![Release](https://img.shields.io/github/v/release/reteps/dockerfmt)](https://github.com/reteps/dockerfmt/releases)\n[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)\n\nAn opinionated Dockerfile formatter. Formats directives, normalizes whitespace, and uses [shfmt](https://github.com/mvdan/sh) to format shell commands inside `RUN` steps.\n\nSpiritual successor to [dockfmt](https://github.com/jessfraz/dockfmt), built on the [buildkit](https://github.com/moby/buildkit) parser.\n\n## Table of Contents\n\n- [Demo](#demo)\n- [Features](#features)\n- [Installation](#installation)\n- [Usage](#usage)\n- [Configuration](#configuration)\n- [Ignoring Directives](#ignoring-directives)\n- [Pre-commit](#pre-commit)\n- [Limitations](#limitations)\n\n## Demo\n\n```dockerfile\nMAINTAINER me\n\nFROM node:lts-alpine          as       builder\n\n\n\nCOPY        .      /app\nWORKDIR         /app\nENV MY_VAR my-value\nENV a=1 \\\n  b=2 \\\n            c=3\nRUN apt-get update \u0026\u0026 \\\n    # install deps\n    apt-get install -y --no-install-recommends \\\n        vim curl git \u0026\u0026 \\\n    apt-get clean \u0026\u0026 \\\n    rm -rf /var/lib/apt/lists/* \\\n    \u0026\u0026 find /tmp -not -path /tmp -delete\n```\n\n```dockerfile\nLABEL org.opencontainers.image.authors=\"me\"\n\nFROM node:lts-alpine as builder\n\nCOPY . /app\nWORKDIR /app\nENV MY_VAR=my-value\nENV a=1 \\\n    b=2 \\\n    c=3\nRUN apt-get update \\\n    # install deps\n    \u0026\u0026 apt-get install -y --no-install-recommends \\\n        vim curl git \\\n    \u0026\u0026 apt-get clean \\\n    \u0026\u0026 rm -rf /var/lib/apt/lists/* \\\n    \u0026\u0026 find /tmp -not -path /tmp -delete\n```\n\n## Features\n\n- Formats shell commands in `RUN` steps via [shfmt](https://github.com/mvdan/sh) \u2014 consistent `\u0026\u0026` chains, indentation, quoting\n- Preserves and re-aligns inline comments, even across multiline `RUN` steps\n- Normalizes whitespace and extra blank lines across all directives\n- Converts legacy `ENV` syntax (`ENV ke",
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