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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Miniforge Migration 2026 — find migration lines in your files</title>
<meta name="description" content="This browser tool finds Anaconda and Miniconda references in Dockerfiles and CI YAML and shows a Miniforge line for each.">
<style>
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.sev.error{color:#a8551f;font-weight:700}.sev.warn,.sev.warning{color:#96691f}.ok{color:#2a6446;font-weight:600}.sum{font-weight:600}
.note{font-size:13px;color:#7a6e65;margin-top:18px}#paid{margin-top:22px;padding:14px 16px;border:1px solid #e2d8cb;border-radius:10px;background:#fffdfa}
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</head>
<body>
<div class="wrap">
<h1>Miniforge Migration 2026 — find migration lines in your files</h1>
<p class="lede">Miniforge migration check: finds continuumio/miniconda3 images, repo.anaconda.com installers, setup-miniconda without miniforge-version and conda tos accept lines in Dockerfiles and CI YAML, with the Miniforge line for each. Runs entirely in your browser — nothing is uploaded.</p>
<textarea id="src" spellcheck="false">name: ci
on:
  push:
    branches: [main]
  pull_request:

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: conda-incubator/setup-miniconda@v3
        with:
          python-version: "3.12"
          environment-file: environment.yml
          activate-environment: forecast
      - name: Accept channel terms
        shell: bash -el {0}
        run: conda tos accept
      - name: Tests
        shell: bash -el {0}
        run: pytest -q

  docker-smoke:
    runs-on: ubuntu-latest
    container: continuumio/miniconda3:latest
    env:
      CONDA_PLUGINS_AUTO_ACCEPT_TOS: "yes"
    steps:
      - uses: actions/checkout@v4
      - run: conda install -y -c defaults numpy pandas

  nightly:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install conda
        run: |
          wget -q https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
          bash miniconda.sh -b -p "$HOME/conda"
      - run: "$HOME/conda/bin/python -m forecast.nightly"</textarea>
<div class="bar"><button id="go">Check</button><label>as of <input type="date" id="today"></label></div>
<div id="out" aria-live="polite"></div>
<div id="paid"><strong>Free here:</strong> Check the open Dockerfile or CI YAML for every Anaconda installer, image and ToS line, with the Miniforge replacement line for each. <strong>In the editor:</strong> Scan every Dockerfile and CI file in the workspace in one pass and export a dated Markdown migration plan mapping each Anaconda pull to its Miniforge line — that part asks for a licence key. <a href="https://getreadystack.com/api/buy/cl/polar_cl_wr9RHcq69SI1PUVfR3gYyT8892G2Xi4Xk4sXe2bBjfR">Get the workspace migration plan</a> — $29 once · one licence key per person or team seat. Anaconda's pricing page lists Business at $50 per user per month (read 2026-10-10).</div>
<p class="note">Same engine as the VS Code extension, byte for byte.</p>
</div>
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 {"id": "setup-miniconda-miniconda-version", "sev": "warning", "title": "setup-miniconda input miniconda-version asks for an Anaconda installer", "re": "^\\s*miniconda-version\\s*:", "flags": "i", "fix": "miniforge-version: latest"},
 {"id": "conda-tos-accept", "sev": "error", "title": "conda tos accept accepts Anaconda's Terms of Service for the company", "re": "\\bconda\\s+tos\\s+accept\\b", "flags": "i", "fix": "delete the line — a conda-forge-only Miniforge install has no Anaconda ToS to accept"},
 {"id": "auto-accept-tos-env", "sev": "error", "title": "CONDA_PLUGINS_AUTO_ACCEPT_TOS accepts Anaconda's Terms of Service on every run", "re": "\\bCONDA_PLUGINS_AUTO_ACCEPT_TOS\\b", "flags": "", "fix": "delete the variable — not needed once the job uses Miniforge"},
 {"id": "defaults-channel", "sev": "warning", "title": "defaults channel requested (served from repo.anaconda.com)", "re": "(?:\\s-c|--channel)\\s+defaults\\b|channels\\s*:.*\\bdefaults\\b|--(?:add|append|prepend)\\s+channels\\s+defaults\\b", "flags": "i", "fix": "-c conda-forge --override-channels"},
 {"id": "anaconda-channel", "sev": "warning", "title": "anaconda channel requested (Anaconda-maintained repository)", "re": "(?:\\s-c|--channel)\\s+anaconda(?![\\w\\/.-])", "flags": "i", "fix": "-c conda-forge --override-channels"},
 {"id": "pkgs-main-channel", "sev": "warning", "title": "pkgs/main, pkgs/r or pkgs/msys2 channel (Anaconda's repository)", "re": "\\bpkgs\\/(?:main|r|msys2)\\b", "flags": "i", "fix": "conda-forge"},
 {"id": "package-manager-miniconda", "sev": "error", "title": "Miniconda or Anaconda installed through brew, choco or winget", "re": "\\b(?:brew\\s+install\\s+(?:--cask\\s+)?(?:miniconda|anaconda)|choco(?:latey)?\\s+install\\s+(?:-y\\s+)?(?:miniconda3?|anaconda3?)|winget\\s+install\\s+.*\\bAnaconda\\.(?:Miniconda3|Anaconda3))\\b", "flags": "i", "fix": "brew install --cask miniforge, or the Miniforge3 installer from github.com/conda-forge/miniforge/releases"}
]
;</script>
<script>/* Miniforge Migration Check engine — same file runs in VS Code (Node) and in the browser. */
(function () {
  const RULES = (typeof module !== 'undefined') ? require('./rules.json') : window.MF_RULES;

  function compiled() {
    return RULES.map(r => Object.assign({}, r, { rx: new RegExp(r.re, r.flags || '') }));
  }

  // A setup-miniconda step is fine when its own with: block sets miniforge-version.
  function stepHasMiniforge(lines, i, win) {
    const indent = lines[i].search(/\S/);
    for (let j = i + 1; j < Math.min(lines.length, i + 1 + win); j++) {
      const l = lines[j];
      if (!l.trim()) continue;
      const ind = l.search(/\S/);
      if (ind <= indent && /^\s*-\s/.test(l)) break;     // next step
      if (ind < indent - 2) break;                        // left the step
      if (/^\s*miniforge-version\s*:/.test(l)) return true;
    }
    return false;
  }

  function check(text, opts) {
    opts = opts || {};
    const lines = String(text || '').replace(/\r\n?/g, '\n').split('\n');
    const rules = compiled();
    const findings = [];
    lines.forEach((raw, i) => {
      const t = raw.trim();
      if (!t || t.startsWith('#')) return;               // comments in YAML and Dockerfiles
      rules.forEach(r => {
        if (!r.rx.test(raw)) return;
        if (r.id === 'setup-miniconda-default' && stepHasMiniforge(lines, i, r.step_window || 15)) return;
        findings.push({ check: r.id, sev: r.sev, line: i + 1, msg: r.title + ' → ' + r.fix, fix: r.fix, text: t.slice(0, 160) });
      });
    });
    const errors = findings.filter(f => f.sev === 'error').length;
    return { findings, errors, warnings: findings.length - errors, rule_count: RULES.length, as_of: opts.today || '' };
  }

  const api = { engine: { check }, RULES, RULE_COUNT: RULES.length };
  if (typeof module !== 'undefined') module.exports = api;
  if (typeof window !== 'undefined') window.MFENGINE = api;
})();
</script>
<script>// ⛔뼈대 — kit/scaffold.py 가 찍는다 (s143). findings [{check,sev,msg,line?}] → 글/HTML. 같은 파일이 Node 와 브라우저에서 산다.
'use strict';
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  return '<p class="sum">' + escapeHtml(summaryLine(res)) + '</p><table><thead><tr><th>Level</th><th>Line</th><th>Check</th><th>What</th></tr></thead><tbody>' + rows + '</tbody></table>';
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var MFREPORT = { escapeHtml: escapeHtml, summaryLine: summaryLine, toText: toText, toHtml: toHtml };
if (typeof module !== 'undefined' && module.exports) module.exports = MFREPORT;
else window.MFREPORT = MFREPORT;
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<section data-yj-install="free" style="margin:2rem auto 1rem;max-width:46rem;padding:1.25rem 1.25rem;border:1px solid #cfe3d6;border-radius:12px;background:#f6fbf8;font:16px/1.6 system-ui,-apple-system,Segoe UI,sans-serif"><h2 style="margin:0 0 .4rem;font-size:1.2rem">Install free</h2><p style="margin:0 0 .8rem;color:#41505f">Free for the file open in your editor - no key, no limit. The workspace sweep and the report ask for a key.</p><a href="https://marketplace.visualstudio.com/items?itemName=ReadyStack.miniforge-migration-check" rel="noopener" data-yj-install-door="mp" onclick="try{navigator.sendBeacon('/api/ev',new Blob([JSON.stringify({t:'install',slug:'miniforge-migration-check',src:'mp',path:location.pathname})],{type:'application/json'}))}catch(e){}" style="display:inline-block;margin:0 .5rem .5rem 0;padding:.6rem 1rem;border-radius:8px;background:#0f7b3f;color:#fff;text-decoration:none;font-weight:600">VS Code Marketplace</a><a href="https://open-vsx.org/extension/readystack/miniforge-migration-check" rel="noopener" data-yj-install-door="ovsx" onclick="try{navigator.sendBeacon('/api/ev',new Blob([JSON.stringify({t:'install',slug:'miniforge-migration-check',src:'ovsx',path:location.pathname})],{type:'application/json'}))}catch(e){}" style="display:inline-block;margin:0 .5rem .5rem 0;padding:.6rem 1rem;border-radius:8px;background:#0f7b3f;color:#fff;text-decoration:none;font-weight:600">Open VSX (Cursor, VSCodium)</a><pre style="margin:.5rem 0 0;padding:.6rem .8rem;background:#f3f5f8;border-radius:8px;font-size:.9rem;overflow:auto">ext install ReadyStack.miniforge-migration-check</pre><p style="margin:.6rem 0 0;font-size:.92rem;color:#41505f"><a href="https://getreadystack.com/api/buy/team" rel="nofollow" style="color:#0f7b3f;text-decoration:underline">Team? One key for every ReadyStack linter, 5 seats, $149 once</a></p></section>
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style="max-width:920px;margin:48px auto 0;padding:0 20px;font-family:system-ui,sans-serif"><style>.yj-article p{font:400 15.5px/1.7 system-ui,sans-serif;color:#26313b;margin:0 0 12px;max-width:72ch}.yj-article h2,.yj-article h3,.yj-article h4{font:600 17px/1.35 system-ui,sans-serif;color:#1b1f24;margin:22px 0 8px}.yj-article table{border-collapse:collapse;margin:10px 0 16px;font:14px/1.45 system-ui,sans-serif}.yj-article th,.yj-article td{border:1px solid #e2e6ea;padding:6px 10px;text-align:left}.yj-article th{background:#f4f6f8}.yj-article pre{background:#0f1720;color:#e6edf3;padding:12px 14px;border-radius:8px;overflow:auto;font:13px/1.5 ui-monospace,Menlo,monospace}.yj-article code{font:13px ui-monospace,Menlo,monospace;background:#f1f3f5;padding:1px 4px;border-radius:3px}.yj-article pre code{background:none;padding:0}.yj-article ul,.yj-article ol{font:15px/1.6 system-ui,sans-serif;color:#26313b}</style><p style="font:400 13px/1.5 system-ui,sans-serif;color:#6b7680;margin:0 0 14px"><time datetime="2026-10-10">Updated 2026-10-10</time> · ReadyStack</p><script type="application/ld+json">{"@context":"https://schema.org","@type":"WebPage","dateModified":"2026-10-10","author":{"@type":"Organization","name":"ReadyStack"}}</script><h2 style="font:600 21px/1.3 system-ui,sans-serif;margin:0 0 6px;color:#1b1f24">Worked example</h2><p style="font:400 14.5px/1.5 system-ui,sans-serif;margin:0 0 16px;color:#5b6570">Real numbers from this tool, line by line.</p><div class="yj-article"><p><img src="https://getreadystack.com/img/promo/sku590357_result_card.jpg" alt="Migrate from Miniconda to Miniforge: six Anaconda ties in one CI file" loading="lazy" style="max-width:100%;border-radius:6px"></p>
<p>Six Anaconda ties turned up in one 41-line GitHub Actions ci.yml, the kind an ML or platform engineer at a company with more than 200 employees or contractors keeps in .github/workflows. Five are errors and one is a warning:</p>
<table><thead><tr><th>Line</th><th>Anaconda line</th><th>Miniforge line</th></tr></thead><tbody><tr><td>12</td><td>uses: conda-incubator/setup-miniconda@v3</td><td>miniforge-version: latest</td></tr><tr><td>19</td><td>run: conda tos accept</td><td>delete the line</td></tr><tr><td>26</td><td>container: continuumio/miniconda3:latest</td><td>container: condaforge/miniforge3:latest</td></tr><tr><td>28</td><td>CONDA_PLUGINS_AUTO_ACCEPT_TOS: &quot;yes&quot;</td><td>delete the variable</td></tr><tr><td>31</td><td>conda install -y -c defaults numpy pandas</td><td>-c conda-forge --override-channels</td></tr><tr><td>39</td><td>wget repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh</td><td>the Miniforge3 installer from github.com/conda-forge/miniforge releases</td></tr></tbody></table>
<p>Three jobs, tests, a Docker smoke test and a nightly run, each reach Anaconda in a different way.</p>
<h3>What Anaconda&#x27;s terms say</h3>
<p>Anaconda&#x27;s Terms of Service, read on 2026-10-10 at anaconda.com/legal/terms/terms-of-service, say a for-profit organization with more than 200 total employees or contractors, including all affiliates, must pay for a Business Plan to use the Platform. Section 5 defines a User as any party, human or non-human. It names CI/CD jobs, system or service accounts, serverless processes and AI agents. A User counts as active for 12 months after it accesses packages on repo.anaconda.com. Anaconda&#x27;s pricing page lists Business at $50 per user per month.</p>
<p>So the question is which pipelines still pull from repo.anaconda.com or accept the terms for the company.</p>
<h3>Why grep is not enough</h3>
<p>Searching for &quot;anaconda&quot; misses three of the six lines:</p>
<ul><li>setup-miniconda installs Miniconda unless the step sets miniforge-version. The step line names neither Anaconda nor Miniconda.</li><li>conda tos accept and CONDA_PLUGINS_AUTO_ACCEPT_TOS accept Anaconda&#x27;s terms. Neither contains the word anaconda.</li><li>continuumio/miniconda3 is Anaconda&#x27;s image, but under the old company name.</li></ul>
<p>The check reads each line, skips comments and looks at each setup-miniconda step&#x27;s own with: block. It flags the step only when miniforge-version is missing from that block.</p>
<h3>The 12 rules</h3>
<p>Images: continuumio/miniconda3, anaconda3 and conda-ci images. Installers: repo.anaconda.com/miniconda, repo.anaconda.com/archive, the old repo.continuum.io, and brew, choco or winget installs of Miniconda. GitHub Actions: setup-miniconda without miniforge-version, and the miniconda-version input. Terms: conda tos accept and CONDA_PLUGINS_AUTO_ACCEPT_TOS. Channels: -c defaults, -c anaconda, and pkgs/main, pkgs/r or pkgs/msys2.</p>
<h3>The clean version</h3>
<p>Moved to Miniforge, the same workflow gives zero findings. The test step adds miniforge-version: latest. The smoke job runs in condaforge/miniforge3:latest. The install line uses -c conda-forge --override-channels. The nightly job downloads Miniforge3-$(uname)-$(uname -m).sh from the conda-forge GitHub releases. The terms lines are gone because a conda-forge-only install never asks for them.</p>
<h3>What it cannot tell you</h3>
<p>It reads text. It cannot tell your head count or whether you hold an Anaconda licence, and it does not read environment.yml channel lists. The terms on anaconda.com decide.</p>
<h3>Try it</h3>
<p>Open a Dockerfile or workflow in VS Code with Miniforge Migration Check installed, or paste it into the free web page. Each finding comes with its line number and the replacement. A licence key adds a one-pass workspace scan and a dated Markdown migration plan.</p></div><h2 style="font:600 19px/1.3 system-ui,sans-serif;margin:30px 0 10px;color:#1b1f24">15 seconds — what it actually does</h2><video controls muted playsinline preload="none" poster="/img/promo/sku590357_result_card.jpg" style="width:100%;max-width:360px;border-radius:10px;display:block;margin:0 auto"><source src="/media/sku590357_short.mp4" type="video/mp4"></video><h2 style="font:600 21px/1.3 system-ui,sans-serif;margin:34px 0 6px;color:#1b1f24">Questions people ask</h2><details style="border-bottom:1px solid #e6e9ed;padding:10px 0"><summary style="cursor:pointer;font:600 15px/1.4 system-ui,sans-serif;color:#1b1f24">What does Miniforge Migration Check do?</summary><p style="margin:8px 0 2px;font:400 14.5px/1.6 system-ui,sans-serif;color:#33404b">It reads a Dockerfile, GitHub Actions workflow or .gitlab-ci.yml and flags every line that still pulls from Anaconda: continuumio/miniconda3 and anaconda3 images, repo.anaconda.com installer downloads, setup-miniconda steps without miniforge-version, conda tos accept, CONDA_PLUGINS_AUTO_ACCEPT_TOS and defaults or pkgs/main channels. Each finding has its line number and the exact Miniforge or conda-forge line that replaces it. It has 12 rules.</p></details><details style="border-bottom:1px solid #e6e9ed;padding:10px 0"><summary style="cursor:pointer;font:600 15px/1.4 system-ui,sans-serif;color:#1b1f24">Who is Miniforge Migration Check for?</summary><p style="margin:8px 0 2px;font:400 14.5px/1.6 system-ui,sans-serif;color:#33404b">It is for data, ML and platform engineers at for-profit companies with more than 200 employees or contractors. Anaconda&#x27;s terms require a paid Business Plan at that size. These engineers need to find every place their Docker images and CI pipelines still install Miniconda or accept Anaconda&#x27;s terms, and then move those jobs to Miniforge, micromamba or conda-forge before someone counts them.</p></details><details style="border-bottom:1px solid #e6e9ed;padding:10px 0"><summary style="cursor:pointer;font:600 15px/1.4 system-ui,sans-serif;color:#1b1f24">Why not just grep for anaconda or ask a chatbot?</summary><p style="margin:8px 0 2px;font:400 14.5px/1.6 system-ui,sans-serif;color:#33404b">A grep for anaconda misses setup-miniconda steps, which install Miniconda unless miniforge-version is set. It also misses conda tos accept and the CONDA_PLUGINS_AUTO_ACCEPT_TOS variable. A chatbot cannot see your workflow files and guesses the replacement line. This check reads each line and skips comments. It flags a setup-miniconda step only when that step&#x27;s own with: block has no miniforge-version.</p></details><details style="border-bottom:1px solid #e6e9ed;padding:10px 0"><summary style="cursor:pointer;font:600 15px/1.4 system-ui,sans-serif;color:#1b1f24">What is free and what needs a licence key?</summary><p style="margin:8px 0 2px;font:400 14.5px/1.6 system-ui,sans-serif;color:#33404b">Free, with no key: check the open Dockerfile or CI YAML in VS Code, or paste it into the web page. You get every finding with its line and its Miniforge replacement. A $29 licence key scans every Dockerfile and CI file in the workspace in one pass. It also exports a dated Markdown migration plan that maps each Anaconda pull to its Miniforge line.</p></details><details style="border-bottom:1px solid #e6e9ed;padding:10px 0"><summary style="cursor:pointer;font:600 15px/1.4 system-ui,sans-serif;color:#1b1f24">What does staying on Anaconda cost compared with this check?</summary><p style="margin:8px 0 2px;font:400 14.5px/1.6 system-ui,sans-serif;color:#33404b">Anaconda&#x27;s pricing page lists the Business plan at $50 per user per month (read 2026-10-10). Its terms count CI/CD jobs and service accounts as users, and a user stays active for 12 months after one access to repo.anaconda.com. Miniforge and conda-forge are free. The check itself is free per file, and the workspace plan is a one-time $29 key.</p></details><details style="border-bottom:1px solid #e6e9ed;padding:10px 0"><summary style="cursor:pointer;font:600 15px/1.4 system-ui,sans-serif;color:#1b1f24">When do Anaconda&#x27;s terms change next?</summary><p style="margin:8px 0 2px;font:400 14.5px/1.6 system-ui,sans-serif;color:#33404b">Anaconda has not announced a dated change. The terms page at anaconda.com/legal/terms/terms-of-service was read on 2026-10-10. It sets the paid threshold at more than 200 employees or contractors, including affiliates, and counts CI/CD jobs as users. Read that page before you rely on a threshold, because Anaconda edits it in place.</p></details><script type="application/ld+json" data-yj="yj-faq-ld">{"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What does Miniforge Migration Check do?", "acceptedAnswer": {"@type": "Answer", "text": "It reads a Dockerfile, GitHub Actions workflow or .gitlab-ci.yml and flags every line that still pulls from Anaconda: continuumio/miniconda3 and anaconda3 images, repo.anaconda.com installer downloads, setup-miniconda steps without miniforge-version, conda tos accept, CONDA_PLUGINS_AUTO_ACCEPT_TOS and defaults or pkgs/main channels. Each finding has its line number and the exact Miniforge or conda-forge line that replaces it. 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