If you don't want to install everything in your computer you can opt to run your application using Docker
Install Docker Compose and then run:
git clone https://github.com/Wolox/rails-graphql-bootstrap.git
docker-compose up
When the server starts, run the following command in a different console to setup the database:
docker-compose run web rails db:create db:migrate db:seed
To stop the server run the following command in a different console:
docker-compose stop
To see the running process, run the following command in a different console:
docker-compose ps
To update Docker images, run the following command:
docker-compose build