Starting the website

Install node.js and yarn

Install node.js from https://nodejs.org/en/, then install yarn by running the following command in your terminal

npm install -g yarn

Install packages

After cloning the textbook's repository, you can install all the dependencies for this project with yarn (see the previous section)

git clone https://github.com/aialoe/macro-economics-textbook
cd macro-economics-textbook
yarn install

Start the server

After installation ends, verify your setup by running

yarn dev

It may take some minutes to start the project for the first time, if you see the following messages in the end it means things are working

success run static queries - 0.029s - 2/2 68.56/s
success run page queries - 0.009s - 3/3 319.64/s
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You can now view principles-of-macroeconomics in the browser.
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  http://localhost:8000/
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View GraphiQL, an in-browser IDE, to explore your site's data and schema
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  http://localhost:8000/___graphql
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Note that the development build is not optimized.
To create a production build, use gatsby build

Finally, navigate to http://localhost:8000/, if everything is set up correctly you will see the textbook's homepage similar as what is shown below.