Install Gatsby CLI.
npm install -g gatsby-cli
Install dependencies.
npm i
Start developing.
Navigate into your new site’s directory and start it up.
gatsby develop
Profit
Your site is now running at http://localhost:8000
Note: You'll also see a second link: http://localhost:8000/___graphql
. This is a tool you can use to experiment with querying your data. Learn more about using this tool in the Gatsby tutorial.