$ npm install gatsby-cli
The Gatsby command line interface (CLI). It is used to perform common functionality, such as creating a Gatsby application based on a starter, spinning up a hot-reloading local development server, and more!
Let's you create new Gatsby apps using Gatsby starters.
The Gatsby CLI (gatsby-cli
) is packaged as an executable that can be used globally--in fact, this was previously how we recommended using the CLI.
However, global installs of the Gatsby CLI can sometimes lead to subtle bugs in behavior and functionality if the version of the globally installed executable does not match the version of Gatsby in your application. To avoid this, we highly recommend using the package.json
script variant of these commands, typically exposed for you with most starters.
For example, if we want to make the gatsby develop
command available in our application, we would open up package.json
and add a script like so:
{
"scripts": {
"develop": "gatsby develop"
}
}
We can now use the develop
script tied to our app's version of Gatsby, rather than a globally installed version. This script can be invoked by using the name of the script, e.g. npm run develop
in this case. Feel free to read more about NPM scripts if you're interested!
The Gatsby CLI is available via npm and should be installed globally by running npm install -g gatsby-cli
to use it locally.
Run gatsby --help
for full help.
new
gatsby new gatsby-site
See the Gatsby starters docs for more.
develop
At the root of a Gatsby app run gatsby develop
to start the Gatsby
development server.
Option | Description | Default |
---|---|---|
-H , --host |
Set host. | localhost |
-p , --port |
Set port. | 8000 |
-o , --open |
Open the site in your (default) browser for you | |
-S , --https |
Use HTTPS |
Follow the Local HTTPS guide to find out how you can set up an HTTPS development server using Gatsby.
build
At the root of a Gatsby app run gatsby build
to do a production build of a site.
Option | Description | Default |
---|---|---|
--prefix-paths |
Build site with link paths prefixed (set pathPrefix in your config) | false |
--no-uglify |
Build site without uglifying JS bundles (for debugging) | false |
--open-tracing-config-file |
Tracer configuration file (OpenTracing compatible). See https://www.gatsbyjs.org/docs/performance-tracing/ |
serve
At the root of a Gatsby app run gatsby serve
to serve the production build of the site
Option | Description |
---|---|
-H , --host |
Set host. Defaults to localhost |
-p , --port |
Set port. Defaults to 9000 |
-o , --open |
Open the site in your (default) browser for you |
--prefix-paths |
Serve site with link paths prefixed (if built with pathPrefix in your gatsby-config.js). |
clean
At the root of a Gatsby app run gatsby clean
to wipe out the cache (.cache
folder) and public
directories. This is useful as a last resort when your local project seems to have issues or content does not seem to be refreshing. Issues this may fix commonly include:
info
At the root of a Gatsby site run gatsby info
to get helpful environment information which will be required when reporting a bug.
Option | Description | Default |
---|---|---|
-C , --clipboard |
Automagically copy environment information to clipboard | false |
repl
Get a node repl with context of Gatsby environment
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