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94 lines
7.3 KiB
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<title>npm-registry</title>
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<link rel="canonical" href="https://www.npmjs.org/doc/misc/npm-registry.html">
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<script async=true src="../../static/toc.js"></script>
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<h1><a href="../misc/npm-registry.html">npm-registry</a></h1> <p>The JavaScript Package Registry</p>
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<h2 id="description">DESCRIPTION</h2>
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<p>To resolve packages by name and version, npm talks to a registry website
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that implements the CommonJS Package Registry specification for reading
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package info.</p>
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<p>Additionally, npm's package registry implementation supports several
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write APIs as well, to allow for publishing packages and managing user
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account information.</p>
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<p>The official public npm registry is at <a href="https://registry.npmjs.org/">https://registry.npmjs.org/</a>. It
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is powered by a CouchDB database, of which there is a public mirror at
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<a href="https://skimdb.npmjs.com/registry">https://skimdb.npmjs.com/registry</a>. The code for the couchapp is
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available at <a href="https://github.com/npm/npm-registry-couchapp">https://github.com/npm/npm-registry-couchapp</a>.</p>
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<p>The registry URL used is determined by the scope of the package (see
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<code><a href="../misc/npm-scope.html">npm-scope(7)</a></code>). If no scope is specified, the default registry is used, which is
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supplied by the <code>registry</code> config parameter. See <code><a href="../cli/npm-config.html">npm-config(1)</a></code>,
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<code><a href="../files/npmrc.html">npmrc(5)</a></code>, and <code><a href="../misc/npm-config.html">npm-config(7)</a></code> for more on managing npm's configuration.</p>
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<h2 id="does-npm-send-any-information-about-me-back-to-the-registry-">Does npm send any information about me back to the registry?</h2>
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<p>Yes.</p>
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<p>When making requests of the registry npm adds two headers with information
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about your environment:</p>
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<ul>
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<li><code>Npm-Scope</code> – If your project is scoped, this header will contain its
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scope. In the future npm hopes to build registry features that use this
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information to allow you to customize your experience for your
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organization.</li>
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<li><code>Npm-In-CI</code> – Set to "true" if npm believes this install is running in a
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continous integration environment, "false" otherwise. This is detected by
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looking for the following environment variables: <code>CI</code>, <code>TDDIUM</code>,
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<code>JENKINS_URL</code>, <code>bamboo.buildKey</code>. If you'd like to learn more you may find
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the <a href="https://github.com/npm/npm-registry-client/pull/129">original PR</a>
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interesting.
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This is used to gather better metrics on how npm is used by humans, versus
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build farms.</li>
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</ul>
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<p>The npm registry does not to correlate the information in these headers with
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any authenticated accounts that may be used in the same requests.</p>
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<h2 id="can-i-run-my-own-private-registry-">Can I run my own private registry?</h2>
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<p>Yes!</p>
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<p>The easiest way is to replicate the couch database, and use the same (or
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similar) design doc to implement the APIs.</p>
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<p>If you set up continuous replication from the official CouchDB, and then
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set your internal CouchDB as the registry config, then you'll be able
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to read any published packages, in addition to your private ones, and by
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default will only publish internally. </p>
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<p>If you then want to publish a package for the whole world to see, you can
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simply override the <code>--registry</code> option for that <code>publish</code> command.</p>
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<h2 id="i-don-t-want-my-package-published-in-the-official-registry-it-s-private-">I don't want my package published in the official registry. It's private.</h2>
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<p>Set <code>"private": true</code> in your package.json to prevent it from being
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published at all, or
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<code>"publishConfig":{"registry":"http://my-internal-registry.local"}</code>
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to force it to be published only to your internal registry.</p>
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<p>See <code><a href="../files/package.json.html">package.json(5)</a></code> for more info on what goes in the package.json file.</p>
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<h2 id="will-you-replicate-from-my-registry-into-the-public-one-">Will you replicate from my registry into the public one?</h2>
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<p>No. If you want things to be public, then publish them into the public
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registry using npm. What little security there is would be for nought
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otherwise.</p>
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<h2 id="do-i-have-to-use-couchdb-to-build-a-registry-that-npm-can-talk-to-">Do I have to use couchdb to build a registry that npm can talk to?</h2>
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<p>No, but it's way easier. Basically, yes, you do, or you have to
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effectively implement the entire CouchDB API anyway.</p>
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<h2 id="is-there-a-website-or-something-to-see-package-docs-and-such-">Is there a website or something to see package docs and such?</h2>
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<p>Yes, head over to <a href="https://npmjs.com/">https://npmjs.com/</a></p>
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<h2 id="see-also">SEE ALSO</h2>
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<ul>
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<li><a href="../cli/npm-config.html">npm-config(1)</a></li>
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<li><a href="../misc/npm-config.html">npm-config(7)</a></li>
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<li><a href="../files/npmrc.html">npmrc(5)</a></li>
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<li><a href="../misc/npm-developers.html">npm-developers(7)</a></li>
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<li><a href="../misc/npm-disputes.html">npm-disputes(7)</a></li>
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</ul>
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</div>
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</table>
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<p id="footer">npm-registry — npm@4.4.1</p>
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