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---
title: Gatsby.js
---
## Gatsby.js
Gatsby is a static site generator for [React ](https://guide.freecodecamp.org/react ), powered by [GraphQL ](https://graphql.org/ ).
The Gatsby environment provides several "starters" to help configure static sites quickly. Starters can be found here: [Starter Library ](https://www.gatsbyjs.org/starters/ ).
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### How Gatsby works
Gatsby builds sites with the data provided by developer, regardless of the source.
#### Data sources
Gatsby accepts the data behind the site in various formats, such as:
1- CMSs: Wordpress, Contenful, Drupal, etc.
2- Markdown: Documentation, posts, etc.
3- Data: APIs, Databasses, JSON, CSV, etc.
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#### Build
Gatsby's build is powered by GraphQL and rendered through HTML, CSS, and React.
#### Deploy
Gatsby deploys the site on a static web host such as Amazon S3, Netlify, Github Pages, Surge.sh and many more.
### Installation and using the Gatsby CLI
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* Node: `npm install --global gatsby-cli`
* Get started with the official Gatsby starter: `gatsby new gatsby-site https://github.com/gatsbyjs/gatsby-starter-default`
* After that change to the newly created directory `cd gatsby-site`
* `gatsby develop` starts a hot-reloading development server. The site will reload when changes in `src/pages` will be saved.
* To generate the static HTML pages use `gatsby build`
* `gatsby serve` will start a local server that will present your built site.
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### More Information:
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For tutorials and more information check out the Gatsby.js official site: [Gatsby.js official site ](https://www.gatsbyjs.org/tutorial/ )
