318 lines
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<ol class="chapter"><li class="chapter-item expanded affix "><a href="index.html">Introduction</a></li><li class="chapter-item expanded affix "><li class="part-title">User Guide</li><li class="chapter-item expanded "><a href="guide/installation.html"><strong aria-hidden="true">1.</strong> Installation</a></li><li class="chapter-item expanded "><a href="guide/reading.html"><strong aria-hidden="true">2.</strong> Reading Books</a></li><li class="chapter-item expanded "><a href="guide/creating.html"><strong aria-hidden="true">3.</strong> Creating a Book</a></li><li class="chapter-item expanded affix "><li class="part-title">Reference Guide</li><li class="chapter-item expanded "><a href="cli/index.html"><strong aria-hidden="true">4.</strong> Command Line Tool</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="cli/init.html"><strong aria-hidden="true">4.1.</strong> init</a></li><li class="chapter-item expanded "><a href="cli/build.html"><strong aria-hidden="true">4.2.</strong> build</a></li><li class="chapter-item expanded "><a href="cli/watch.html"><strong aria-hidden="true">4.3.</strong> watch</a></li><li class="chapter-item expanded "><a href="cli/serve.html"><strong aria-hidden="true">4.4.</strong> serve</a></li><li class="chapter-item expanded "><a href="cli/test.html"><strong aria-hidden="true">4.5.</strong> test</a></li><li class="chapter-item expanded "><a href="cli/clean.html"><strong aria-hidden="true">4.6.</strong> clean</a></li><li class="chapter-item expanded "><a href="cli/completions.html"><strong aria-hidden="true">4.7.</strong> completions</a></li></ol></li><li class="chapter-item expanded "><a href="format/index.html"><strong aria-hidden="true">5.</strong> Format</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="format/summary.html"><strong aria-hidden="true">5.1.</strong> SUMMARY.md</a></li><li><ol class="section"><li class="chapter-item expanded "><div><strong aria-hidden="true">5.1.1.</strong> Draft chapter</div></li></ol></li><li class="chapter-item expanded "><a href="format/configuration/index.html"><strong aria-hidden="true">5.2.</strong> Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="format/configuration/general.html"><strong aria-hidden="true">5.2.1.</strong> General</a></li><li class="chapter-item expanded "><a href="format/configuration/preprocessors.html"><strong aria-hidden="true">5.2.2.</strong> Preprocessors</a></li><li class="chapter-item expanded "><a href="format/configuration/renderers.html"><strong aria-hidden="true">5.2.3.</strong> Renderers</a></li><li class="chapter-item expanded "><a href="format/configuration/environment-variables.html"><strong aria-hidden="true">5.2.4.</strong> Environment Variables</a></li></ol></li><li class="chapter-item expanded "><a href="format/theme/index.html"><strong aria-hidden="true">5.3.</strong> Theme</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="format/theme/index-hbs.html"><strong aria-hidden="true">5.3.1.</strong> index.hbs</a></li><li class="chapter-item expanded "><a href="format/theme/syntax-highlighting.html"><strong aria-hidden="true">5.3.2.</strong> Syntax highlighting</a></li><li class="chapter-item expanded "><a href="format/theme/editor.html"><strong aria-hidden="true">5.3.3.</strong> Editor</a></li></ol></li><li class="chapter-item expanded "><a href="format/mathjax.html"><strong aria-hidden="true">5.4.</strong> MathJax Support</a></li><li class="chapter-item expanded "><a href="format/mdbook.html"><strong aria-hidden="true">5.5.</strong> mdBook-specific features</a></li><li class="chapter-item expanded "><a href="format/markdown.html"><strong aria-hidden="true">5.6.</strong> Markdown</a></li></ol></li><li class="chapter-item expanded "><a href="continuous-integration.html" class="active"><strong aria-hidden="true">6.</strong> Continuous Integration</a></li><li class="chapter-item expanded "><a href="for_developers/index.html"><strong aria-hidden="true">7.</strong> For Developers</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="for_developers/preprocessors.html"><strong aria-hidden="true">7.1.</strong> Preprocessors</a></li><li class="chapter-item expanded "><a href="for_developers/backends.html"><strong aria-hidden="true">7.2.</strong> Alternative Backends</a></li><li class="spacer"></li></ol></li><li class="chapter-item expanded "><a href="misc/contributors.html">Contributors</a></li></ol>
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<main>
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<h1 id="running-mdbook-in-continuous-integration"><a class="header" href="#running-mdbook-in-continuous-integration">Running <code>mdbook</code> in Continuous Integration</a></h1>
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<p>There are a variety of services such as <a href="https://docs.github.com/en/actions">GitHub Actions</a> or <a href="https://docs.gitlab.com/ee/ci/">GitLab CI/CD</a> which can be used to test and deploy your book automatically.</p>
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<p>The following provides some general guidelines on how to configure your service to run mdBook.
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Specific recipes can be found at the <a href="https://github.com/rust-lang/mdBook/wiki/Automated-Deployment">Automated Deployment</a> wiki page.</p>
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<h2 id="installing-mdbook"><a class="header" href="#installing-mdbook">Installing mdBook</a></h2>
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<p>There are several different strategies for installing mdBook.
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The particular method depends on your needs and preferences.</p>
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<h3 id="pre-compiled-binaries"><a class="header" href="#pre-compiled-binaries">Pre-compiled binaries</a></h3>
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<p>Perhaps the easiest method is to use the pre-compiled binaries found on the <a href="https://github.com/rust-lang/mdBook/releases">GitHub Releases page</a>.
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A simple approach would be to use the popular <code>curl</code> CLI tool to download the executable:</p>
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<pre><code class="language-sh">mkdir bin
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curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.37/mdbook-v0.4.37-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
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bin/mdbook build
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</code></pre>
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<p>Some considerations for this approach:</p>
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<ul>
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<li>This is relatively fast, and does not necessarily require dealing with caching.</li>
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<li>This does not require installing Rust.</li>
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<li>Specifying a specific URL means you have to manually update your script to get a new version.
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This may be a benefit if you want to lock to a specific version.
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However, some users prefer to automatically get a newer version when they are published.</li>
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<li>You are reliant on the GitHub CDN being available.</li>
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</ul>
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<h3 id="building-from-source"><a class="header" href="#building-from-source">Building from source</a></h3>
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<p>Building from source will require having Rust installed.
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Some services have Rust pre-installed, but if your service does not, you will need to add a step to install it.</p>
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<p>After Rust is installed, <code>cargo install</code> can be used to build and install mdBook.
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We recommend using a SemVer version specifier so that you get the latest <strong>non-breaking</strong> version of mdBook.
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For example:</p>
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<pre><code class="language-sh">cargo install mdbook --no-default-features --features search --vers "^0.4" --locked
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</code></pre>
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<p>This includes several recommended options:</p>
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<ul>
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<li><code>--no-default-features</code> — Disables features like the HTTP server used by <code>mdbook serve</code> that is likely not needed on CI.
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This will speed up the build time significantly.</li>
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<li><code>--features search</code> — Disabling default features means you should then manually enable features that you want, such as the built-in <a href="guide/reading.html#search">search</a> capability.</li>
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<li><code>--vers "^0.4"</code> — This will install the most recent version of the <code>0.4</code> series.
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However, versions after like <code>0.5.0</code> won't be installed, as they may break your build.
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Cargo will automatically upgrade mdBook if you have an older version already installed.</li>
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<li><code>--locked</code> — This will use the dependencies that were used when mdBook was released.
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Without <code>--locked</code>, it will use the latest version of all dependencies, which may include some fixes since the last release, but may also (rarely) cause build problems.</li>
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</ul>
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<p>You will likely want to investigate caching options, as building mdBook can be somewhat slow.</p>
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<h2 id="running-tests"><a class="header" href="#running-tests">Running tests</a></h2>
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<p>You may want to run tests using <a href="cli/test.html"><code>mdbook test</code></a> every time you push a change or create a pull request.
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This can be used to validate Rust code examples in the book.</p>
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<p>This will require having Rust installed.
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Some services have Rust pre-installed, but if your service does not, you will need to add a step to install it.</p>
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<p>Other than making sure the appropriate version of Rust is installed, there's not much more than just running <code>mdbook test</code> from the book directory.</p>
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<p>You may also want to consider running other kinds of tests, like <a href="https://github.com/Michael-F-Bryan/mdbook-linkcheck#continuous-integration">mdbook-linkcheck</a> which will check for broken links.
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Or if you have your own style checks, spell checker, or any other tests it might be good to run them in CI.</p>
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<h2 id="deploying"><a class="header" href="#deploying">Deploying</a></h2>
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<p>You may want to automatically deploy your book.
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Some may want to do this every time a change is pushed, and others may want to only deploy when a specific release is tagged.</p>
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<p>You'll also need to understand the specifics on how to push a change to your web service.
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For example, <a href="https://docs.github.com/en/pages">GitHub Pages</a> just requires committing the output onto a specific git branch.
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Other services may require using something like SSH to connect to a remote server.</p>
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<p>The basic outline is that you need to run <code>mdbook build</code> to generate the output, and then transfer the files (which are in the <code>book</code> directory) to the correct location.</p>
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<p>You may then want to consider if you need to invalidate any caches on your web service.</p>
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<p>See the <a href="https://github.com/rust-lang/mdBook/wiki/Automated-Deployment">Automated Deployment</a> wiki page for examples of various different services.</p>
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<h3 id="404-handling"><a class="header" href="#404-handling">404 handling</a></h3>
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<p>mdBook automatically generates a 404 page to be used for broken links.
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The default output is a file named <code>404.html</code> at the root of the book.
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Some services like <a href="https://docs.github.com/en/pages">GitHub Pages</a> will automatically use this page for broken links.
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For other services, you may want to consider configuring the web server to use this page as it will provide the reader navigation to get back to the book.</p>
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<p>If your book is not deployed at the root of the domain, then you should set the <a href="format/configuration/renderers.html#html-renderer-options"><code>output.html.site-url</code></a> setting so that the 404 page works correctly.
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It needs to know where the book is deployed in order to load the static files (like CSS) correctly.
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For example, this guide is deployed at <a href="https://rust-lang.github.io/mdBook/">https://rust-lang.github.io/mdBook/</a>, and the <code>site-url</code> setting is configured like this:</p>
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<pre><code class="language-toml"># book.toml
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[output.html]
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site-url = "/mdBook/"
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</code></pre>
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<p>You can customize the look of the 404 page by creating a file named <code>src/404.md</code> in your book.
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If you want to use a different filename, you can set <a href="format/configuration/renderers.html#html-renderer-options"><code>output.html.input-404</code></a> to a different filename.</p>
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<!-- Custom JS scripts -->
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</div>
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</body>
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</html>
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