The text provides a detailed tutorial on deploying a Gatsby site to Netlify using CircleCI for continuous deployment, offering an alternative to Netlify's default deployment process, which limits custom tasks such as automated testing. By using CircleCI, developers can create a deployment pipeline that allows for custom steps before deployment, addressing the limitation of Netlify's control over the deployment process. The tutorial outlines prerequisites, including having accounts with Node.js, Netlify, CircleCI, and GitHub, and provides step-by-step instructions for setting up a Gatsby site, configuring GitHub and Netlify, and automating the deployment with CircleCI. It includes specific technical commands and configurations, such as creating a decoy branch on GitHub to prevent parallel deployments by Netlify and setting up environment variables in CircleCI with Netlify credentials. The guide concludes by highlighting the benefits of this setup, which offers more flexibility and control over the deployment process, and references additional tutorials for deploying Gatsby apps using other platforms like Heroku.