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gh-npm-registry.html
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<!DOCTYPE html><html lang="C"><head><title>gh npm registry</title><meta property="og:title" content="gh npm registry"><meta name="author" content="Marcel Eichner"><meta property="article:author" content="Marcel Eichner"><meta name="description" content="Introduction and how-to-use description of GitHub’s easy-to-use private package registry"><meta property="og:description" content="Introduction and how-to-use description of GitHub’s easy-to-use private package registry"><meta name="keywords" content="npm,tool,package,version,registry"><meta charset="UTF-8"><meta name="viewport" content="width=device-width,height=device-height,initial-scale=1.0"><meta name="apple-mobile-web-app-capable" content="yes"><meta http-equiv="X-UA-Compatible" content="ie=edge"><meta property="og:type" content="website"><meta name="twitter:card" content="summary"><style>@media screen{body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=next] 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/*!
* Marp default theme.
*
* @theme default
* @author Yuki Hattori
*
* @auto-scaling true
* @size 16:9 1280px 720px
* @size 4:3 960px 720px
*/div#p>svg>foreignObject>section{--color-prettylights-syntax-comment:#6e7781;--color-prettylights-syntax-constant:#0550ae;--color-prettylights-syntax-entity:#8250df;--color-prettylights-syntax-storage-modifier-import:#24292f;--color-prettylights-syntax-entity-tag:#116329;--color-prettylights-syntax-keyword:#cf222e;--color-prettylights-syntax-string:#0a3069;--color-prettylights-syntax-variable:#953800;--color-prettylights-syntax-brackethighlighter-unmatched:#82071e;--color-prettylights-syntax-invalid-illegal-text:#f6f8fa;--color-prettylights-syntax-invalid-illegal-bg:#82071e;--color-prettylights-syntax-carriage-return-text:#f6f8fa;--color-prettylights-syntax-carriage-return-bg:#cf222e;--color-prettylights-syntax-string-regexp:#116329;--color-prettylights-syntax-markup-list:#3b2300;--color-prettylights-syntax-markup-heading:#0550ae;--color-prettylights-syntax-markup-italic:#24292f;--color-prettylights-syntax-markup-bold:#24292f;--color-prettylights-syntax-markup-deleted-text:#82071e;--color-prettylights-syntax-markup-deleted-bg:#ffebe9;--color-prettylights-syntax-markup-inserted-text:#116329;--color-prettylights-syntax-markup-inserted-bg:#dafbe1;--color-prettylights-syntax-markup-changed-text:#953800;--color-prettylights-syntax-markup-changed-bg:#ffd8b5;--color-prettylights-syntax-markup-ignored-text:#eaeef2;--color-prettylights-syntax-markup-ignored-bg:#0550ae;--color-prettylights-syntax-meta-diff-range:#8250df;--color-prettylights-syntax-brackethighlighter-angle:#57606a;--color-prettylights-syntax-sublimelinter-gutter-mark:#8c959f;--color-prettylights-syntax-constant-other-reference-link:#0a3069;--color-fg-default:#24292f;--color-fg-muted:#57606a;--color-fg-subtle:#6e7781;--color-canvas-default:#fff;--color-canvas-subtle:#f6f8fa;--color-border-default:#d0d7de;--color-border-muted:#d8dee4;--color-neutral-muted:rgba(175,184,193,.2);--color-accent-fg:#0969da;--color-accent-emphasis:#0969da;--color-attention-subtle:#fff8c5;--color-danger-fg:#cf222e;color-scheme:light}div#p>svg>foreignObject>section:where(.invert){--color-prettylights-syntax-comment:#8b949e;--color-prettylights-syntax-constant:#79c0ff;--color-prettylights-syntax-entity:#d2a8ff;--color-prettylights-syntax-storage-modifier-import:#c9d1d9;--color-prettylights-syntax-entity-tag:#7ee787;--color-prettylights-syntax-keyword:#ff7b72;--color-prettylights-syntax-string:#a5d6ff;--color-prettylights-syntax-variable:#ffa657;--color-prettylights-syntax-brackethighlighter-unmatched:#f85149;--color-prettylights-syntax-invalid-illegal-text:#f0f6fc;--color-prettylights-syntax-invalid-illegal-bg:#8e1519;--color-prettylights-syntax-carriage-return-text:#f0f6fc;--color-prettylights-syntax-carriage-return-bg:#b62324;--color-prettylights-syntax-string-regexp:#7ee787;--color-prettylights-syntax-markup-list:#f2cc60;--color-prettylights-syntax-markup-heading:#1f6feb;--color-prettylights-syntax-markup-italic:#c9d1d9;--color-prettylights-syntax-markup-bold:#c9d1d9;--color-prettylights-syntax-markup-deleted-text:#ffdcd7;--color-prettylights-syntax-markup-deleted-bg:#67060c;--color-prettylights-syntax-markup-inserted-text:#aff5b4;--color-prettylights-syntax-markup-inserted-bg:#033a16;--color-prettylights-syntax-markup-changed-text:#ffdfb6;--color-prettylights-syntax-markup-changed-bg:#5a1e02;--color-prettylights-syntax-markup-ignored-text:#c9d1d9;--color-prettylights-syntax-markup-ignored-bg:#1158c7;--color-prettylights-syntax-meta-diff-range:#d2a8ff;--color-prettylights-syntax-brackethighlighter-angle:#8b949e;--color-prettylights-syntax-sublimelinter-gutter-mark:#484f58;--color-prettylights-syntax-constant-other-reference-link:#a5d6ff;--color-fg-default:#c9d1d9;--color-fg-muted:#8b949e;--color-fg-subtle:#484f58;--color-canvas-default:#0d1117;--color-canvas-subtle:#161b22;--color-border-default:#30363d;--color-border-muted:#21262d;--color-neutral-muted:hsla(215,8%,47%,.4);--color-accent-fg:#58a6ff;--color-accent-emphasis:#1f6feb;--color-attention-subtle:rgba(187,128,9,.15);--color-danger-fg:#f85149;color-scheme:dark}div#p>svg>foreignObject>section{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;word-wrap:break-word;background-color:var(--color-canvas-default);color:var(--color-fg-default);font-family:-apple-system,BlinkMacSystemFont,Segoe 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[type=search]::-webkit-search-cancel-button,div#p>svg>foreignObject>section [type=search]::-webkit-search-decoration{-webkit-appearance:none}div#p>svg>foreignObject>section ::-webkit-input-placeholder{color:inherit;opacity:.54}div#p>svg>foreignObject>section ::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}div#p>svg>foreignObject>section a:hover{text-decoration:underline}div#p>svg>foreignObject>section hr:after,div#p>svg>foreignObject>section hr:before{content:"";display:table}div#p>svg>foreignObject>section hr:after{clear:both}div#p>svg>foreignObject>section table{border-collapse:collapse;border-spacing:0;display:block;max-width:100%;overflow:auto;width:-moz-max-content;width:max-content}div#p>svg>foreignObject>section td,div#p>svg>foreignObject>section th{padding:0}div#p>svg>foreignObject>section details summary{cursor:pointer}div#p>svg>foreignObject>section details:not([open])>:not(summary){display:none!important}div#p>svg>foreignObject>section 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/*!
* Marp / Marpit marceleichner theme.
*
* @theme marceleichner
* @author Marcel Eichner <[email protected]>
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var(--marpit-advanced-background-split, 50%))}div#p>svg>foreignObject>section[data-marpit-advanced-background=background]>div[data-marpit-advanced-background-container]>figure{all:initial;background-position:center;background-repeat:no-repeat;background-size:cover;flex:auto;margin:0}div#p>svg>foreignObject>section[data-marpit-advanced-background=content],div#p>svg>foreignObject>section[data-marpit-advanced-background=pseudo]{background:transparent!important}div#p>svg>foreignObject>section[data-marpit-advanced-background=pseudo],div#p>svg[data-marpit-svg]>foreignObject[data-marpit-advanced-background=pseudo]{pointer-events:none!important}div#p>svg>foreignObject>section[data-marpit-advanced-background-split]{width:100%;height:100%}</style></head><body><div class="bespoke-marp-osc"><button data-bespoke-marp-osc="prev" tabindex="-1" title="Previous slide">Previous slide</button><span data-bespoke-marp-osc="page"></span><button data-bespoke-marp-osc="next" tabindex="-1" title="Next slide">Next slide</button><button data-bespoke-marp-osc="fullscreen" tabindex="-1" title="Toggle fullscreen (f)">Toggle fullscreen</button><button data-bespoke-marp-osc="presenter" tabindex="-1" title="Open presenter view (p)">Open presenter view</button></div><div id="p"><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="1" data-header="2022-04-26" data-footer="http://www.marceleichner.de" data-class="lead" data-theme="marceleichner" class="lead" style="--header:2022-04-26;--footer:http://www.marceleichner.de;--class:lead;--theme:marceleichner;">
<header>2022-04-26</header>
<h1>GitHub NPM Registry</h1>
<h2>Use GitHub as package registry for your private packages</h2>
<footer><a href="http://www.marceleichner.de">http://www.marceleichner.de</a></footer>
</section>
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<h1>Why?</h1>
<ul>
<li>separation of concerns: split projects into one-purpose only module(s)</li>
<li>cheap: github package registry is already included in paid accounts</li>
<li>effortless: almost zero administration & maintenance of registry required</li>
</ul>
</section>
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<h1>Scopes</h1>
<ul>
<li>Some package names also have a scope (thing Angular, React, Jest etc.)</li>
<li>Scopes are usually used company-wide</li>
<li>A scope follows the usual rules for package names. When used in package names, scopes are preceded by an "@" symbol and followed by a slash, e.g.</li>
</ul>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>@scopename/somepackagename
</code></pre>
</section>
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<h1>Checklist</h1>
<ul>
<li>package name contains a scope which matches the GitHub organization / username name (lowercased)</li>
<li>npm config set GitHub registry URL for specific scope(s)</li>
<li>properly setup of NPM_TOKEN</li>
</ul>
</section>
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<h2>Package Name</h2>
<p>The package’s "scope" must match the organisation’s name:</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-json"><span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"@egoditor/somepackagename"</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<p>Name transformed according to <a href="https://github.com/SchemaStore/schemastore/blob/master/src/schemas/json/package.json#L168">package.json schema definitions</a>.</p>
</section>
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<h2>Registry</h2>
<p>Configure <code>npm</code> to use a different package registry URL for specific scope(s) for the current project:</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>npm config set --@egoditor:registry --location project https://npm.pkg.github.com/
</code></pre>
<p>or for all projects in the user directory:</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>npm config set --@egoditor:registry https://npm.pkg.github.com/
</code></pre>
</section>
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<h2>NPM Token</h2>
<p>Using private NPM Packages from GitHub registry requires a <em>personal access token</em> (PAT) with "write:packages" for publishing and/or "read:packages" for pulling.</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-bash">npm config <span class="hljs-built_in">set</span> //npm.pkg.github.com/:_authToken <token-value>
</code></pre>
<p>(alternative) interactively login</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-bash">npm login --scope=@egoditor --registry=https://npm.pkg.github.com
</code></pre>
<p>(alternative) environment variable</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>NPM_TOKEN=token-value npm install
</code></pre>
<p>Personal Access Tokens can be created in the GitHub Settings > "<a href="https://github.com/settings/tokens">Personal Access Tokens</a>".</p>
</section>
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<h2>Install package</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>npm install --save @egoditor/[email protected]
</code></pre>
<p>NPM checks the project and system users <code>.npmrc</code> files for registry definitions for the scope "egoditor". If there’s none it uses the default registry.</p>
</section>
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<h1>Install Local Package</h1>
</section>
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<h2>npm link</h2>
<p>Before publishing a version use the local copy of the package in your project by linking it:</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-bash"><span class="hljs-built_in">cd</span> my-new-project
npm <span class="hljs-built_in">link</span> ../../egoditor/my-funky-package
</code></pre>
</section>
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<h1>Publishing Packages</h1>
<ul>
<li>configure <code>package.json</code> "files" or <code>.npmignore</code> to publish only required files</li>
<li>follow SEMVER</li>
<li>use publishing channels (current, next, beta, alpha)</li>
<li>easy to setup with semantic-release package</li>
</ul>
<p><em>… will be covered in another talk</em></p>
</section>
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<h1>The Hard-Part GitHub Actions</h1>
<ul>
<li>Publishing a package is easy when rules are followed</li>
<li>Installing a package is harder</li>
<li>Access to the package is handled by github and the repository and organisation user permissions.</li>
</ul>
</section>
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<h2>Publishing</h2>
<p>Publishing can be done using the <code>GITHUB_TOKEN</code> which is automatically created on each CI run and has access to the same repository.</p>
</section>
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<h2>Permissions</h2>
<p>Do things with the same repository.</p>
<p>Defined by:</p>
<ul>
<li>workflow settings</li>
<li>type of repository (fork or source)</li>
<li>settings in workflow.yml</li>
</ul>
<p><strong>CAUTION: NO ACCESS to other repositories / packages</strong></p>
</section>
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<h2>Example Workflow (Publishing)</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-yaml"><span class="hljs-string">//</span> <span class="hljs-string">.github/workflows/release.yml</span>
<span class="hljs-attr">jobs:</span>
<span class="hljs-attr">ci:</span>
<span class="hljs-attr">runs-on:</span> <span class="hljs-string">ubuntu-latest</span>
<span class="hljs-attr">steps:</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">uses:</span> <span class="hljs-string">actions/setup-node@v3</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">run:</span> <span class="hljs-string">npm</span> <span class="hljs-string">publish</span>
<span class="hljs-attr">env:</span>
<span class="hljs-attr">NPM_TOKEN:</span> <span class="hljs-string">${{</span> <span class="hljs-string">secrets.GITHUB_TOKEN</span> <span class="hljs-string">}}</span>
</code></pre>
</section>
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<h2>Installing in CI</h2>
<ul>
<li><strong><code>GITHUB_TOKEN</code> doesn’t have access to other repos or packages</strong></li>
<li>create personal access token (PAT) with <code>read:packages</code> permissions</li>
<li>create repo or organisation secret (f.e. <code>NPM_READ_TOKEN</code>)</li>
<li>set <code>NPM_AUTH_TOKEN</code></li>
<li>set <code>registry-url</code></li>
</ul>
</section>
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<h2>Example Workflow (Publishing)</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-yaml"><span class="hljs-string">//</span> <span class="hljs-string">.github/workflows/main.yml</span>
<span class="hljs-attr">jobs:</span>
<span class="hljs-attr">ci:</span>
<span class="hljs-attr">runs-on:</span> <span class="hljs-string">ubuntu-latest</span>
<span class="hljs-attr">steps:</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">uses:</span> <span class="hljs-string">actions/setup-node@v3</span>
<span class="hljs-attr">with:</span>
<span class="hljs-attr">registry-url:</span> <span class="hljs-string">'https://npm.pkg.github.com/'</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">name:</span> <span class="hljs-string">install</span> <span class="hljs-string">dependencies</span>
<span class="hljs-attr">run:</span> <span class="hljs-string">npm</span> <span class="hljs-string">ci</span>
<span class="hljs-attr">env:</span>
<span class="hljs-attr">NPM_AUTH_TOKEN:</span> <span class="hljs-string">${{</span> <span class="hljs-string">secrets.NPM_READ_TOKEN</span> <span class="hljs-string">}}</span>
</code></pre>
</section>
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<h1>Troubleshooting</h1>
<blockquote>
<p>npm ERR! Unable to authenticate, need: Basic realm="GitHub Package Registry"</p>
</blockquote>
<p>The NPM_AUTH_TOKEN Token is not valid, doesn’t have the correct permissions. Double check the value.</p>
<blockquote>
<p>npm ERR! 404 Not Found - GET <a href="https://npm.pkg.github.com/download/@egoditor">https://npm.pkg.github.com/download/@egoditor</a>...</p>
</blockquote>
<p>Authentification worked well but the package could not be found as the scope is not correct. Correct would be with uppercase "e".</p>
</section>
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<h1>Additional Resources</h1>
<ul>
<li><a href="https://docs.github.com/es/packages/working-with-a-github-packages-registry/working-with-the-npm-registry">GitHub Documentation</a></li>
<li><a href="https://docs.npmjs.com/cli/v7/commands/npm-config">NPM config Documentation</a></li>
<li><a href="https://dev.to/github/the-githubtoken-in-github-actions-how-it-works-change-permissions-customizations-3cgp">GITHUB_TOKEN: How it Works, Change Permissions, Customizations</a></li>
</ul>
</section>
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<h1>Thanks for listening!</h1>
</section>
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