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This tutorial will guide you through the steps of building a relevant and powerful search bar for your documentation 🚀

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Run a Meilisearch instance

First, create a new Meilisearch project on Meilisearch Cloud. You can also install and run Meilisearch locally or in another cloud service.
The host URL and the API key you will provide in the next steps correspond to the credentials of this Meilisearch instance.

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Scrape your content

The Meilisearch team provides and maintains a scraper tool to automatically read the content of your website and store it into an index in Meilisearch.

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Configuration file

The scraper tool needs a configuration file to know what content you want to scrape. This is done by providing selectors (for example, the html tag). Here is an example of a basic configuration file: 
{
  "index_uid": "docs",
  "start_urls": [
    "https://www.example.com/doc/"
  ],
  "sitemap_urls": [
    "https://www.example.com/sitemap.xml"
  ],
  "stop_urls": [],
  "selectors": {
    "lvl0": {
      "selector": ".docs-lvl0",
      "global": true,
      "default_value": "Documentation"
    },
    "lvl1": {
      "selector": ".docs-lvl1",
      "global": true,
      "default_value": "Chapter"
    },
    "lvl2": ".docs-content .docs-lvl2",
    "lvl3": ".docs-content .docs-lvl3",
    "lvl4": ".docs-content .docs-lvl4",
    "lvl5": ".docs-content .docs-lvl5",
    "lvl6": ".docs-content .docs-lvl6",
    "text": ".docs-content p, .docs-content li"
  }
}
The index_uid field is the index identifier in your Meilisearch instance in which your website content is stored. The scraping tool will create a new index if it does not exist. The docs-content class is the main container of the textual content in this example. Most of the time, this tag is a <main> or an <article> HTML element. lvlX selectors should use the standard title tags like h1, h2, h3, etc. You can also use static classes. Set a unique id or name attribute to these elements. All searchable lvl elements outside this main documentation container (for instance, in a sidebar) must be global selectors. They will be globally picked up and injected to every document built from your page. If you use VuePress for your documentation, you can check out the configuration file we use in production. In our case, the main container is theme-default-content and the selector titles and subtitles are h1, h2…
More optional fields are available to fit your needs.

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Run the scraper

You can run the scraper with Docker. With our local Meilisearch instance set up at the first step, we run: 
docker run -t --rm \
  --network=host \
  -e MEILISEARCH_HOST_URL='MEILISEARCH_URL' \
  -e MEILISEARCH_API_KEY='MASTER_KEY' \
  -v <absolute-path-to-your-config-file>:/docs-scraper/config.json \
  getmeili/docs-scraper:latest pipenv run ./docs_scraper config.json
If you don’t want to use Docker, here are other ways to run the scraper.
<absolute-path-to-your-config-file> should be the absolute path of your configuration file defined at the previous step. The API key should have the permissions to add documents into your Meilisearch instance. In a production environment, we recommend providing the Default Admin API Key as it has enough permissions to perform such requests. More about Meilisearch security.
We recommend running the scraper at each new deployment of your documentation, as we do for the Meilisearch’s one.
If your documentation is not a VuePress application, you can directly go to this section.

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For VuePress documentation sites

If you use VuePress for your documentation, we provide a Vuepress plugin. This plugin is used in production in the Meilisearch documentation. In your VuePress project:
  • yarn
  • npm
yarn add vuepress-plugin-meilisearch
In your config.js file: 
module.exports = {
  plugins: [
    [
      "vuepress-plugin-meilisearch",
      {
        "hostUrl": "<your-meilisearch-host-url>",
        "apiKey": "<your-meilisearch-api-key>",
        "indexUid": "docs"
      }
    ],
  ],
}
The hostUrl and the apiKey fields are the credentials of the Meilisearch instance. Following on from this tutorial, they are respectively MEILISEARCH_URL and MASTER_KEY. indexUid is the index identifier in your Meilisearch instance in which your website content is stored. It has been defined in the config file. These three fields are mandatory, but more optional fields are available to customize your search bar.
Since the configuration file is public, we strongly recommend providing a key that can only access the search endpoint , such as the Default Search API Key, in a production environment. Read more about Meilisearch security.

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For all kinds of documentation

If you don’t use VuePress for your documentation, we provide a front-end SDK to integrate a powerful and relevant search bar to any documentation website. Docxtemplater search bar updating results for "HTML" Docxtemplater search bar demo 
<!DOCTYPE html>
<html>
  <head>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docs-searchbar.js@{version}/dist/cdn/docs-searchbar.min.css" />
  </head>

  <body>
    <input type="search" id="search-bar-input">
    <script src="https://cdn.jsdelivr.net/npm/docs-searchbar.js@{version}/dist/cdn/docs-searchbar.min.js"></script>
    <script>
      docsSearchBar({
        hostUrl: '<your-meilisearch-host-url>',
        apiKey: '<your-meilisearch-api-key>',
        indexUid: 'docs',
        inputSelector: '#search-bar-input',
        debug: true // Set debug to true if you want to inspect the dropdown
      });
    </script>
  </body>
</html>
The hostUrl and the apiKey fields are the credentials of the Meilisearch instance. Following on from this tutorial, they are respectively MEILISEARCH_URL and MASTER_KEY. indexUid is the index identifier in your Meilisearch instance in which your website content is stored. It has been defined in the config file. inputSelector is the id attribute of the HTML search input tag.
We strongly recommend providing a Default Search API Key in a production environment, which is enough to perform search requests.Read more about Meilisearch security.
The default behavior of this library fits perfectly for a documentation search bar, but you might need some customizations.
For more concrete examples, you can check out this basic HTML file or this more advanced Vue file.

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What’s next?

At this point, you should have a working search engine on your website, congrats! 🎉 You can check this tutorial if you now want to run Meilisearch in production!
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