title: How to prevent Netlify from treating warnings as errors because process.env.CI = true?
body: <p>Deploying new projects started failing on Netlify. Checking the logs I see something that was not in the logs on previous successful deploys:</p>
  
  <pre><code>Treating warnings as errors because process.env.CI = true.
  Most CI servers set it automatically. 
  Failed to compile.
  </code></pre>
  
  <p>How can I fix my build?</p>