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Publishing makes your app live on the internet. Every app gets a free [myapp].onhercules.app domain, and you can add a custom domain anytime.
Publish dialog with a custom subdomain

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How do I publish my app?

Click Publish in the top right corner of the App Builder, then enter a subdomain name. On a phone, tap Preview at the bottom of the screen first. The Publish button then appears at the top.

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How do I publish a new version?

Click Publish again to ship your latest changes. Your app is not updated until you republish.

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How do I publish to my own domain?

Buy a domain in Hercules

Connect an existing domain

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Additional FAQ

Click Publish in the top right corner, then click the pencil icon next to your subdomain. This takes your app offline until you republish.
  1. On a phone, tap Preview at the bottom of the screen. The Publish button appears at the top. 2. On a computer, the Publish button is in the top right corner of the App Builder.
  2. If it is still missing, refresh the page (Ctrl+Shift+R on Windows, Cmd+Shift+R on Mac).
  1. Check that you published the latest version. 2. Check that it is not flagged as spam. See Free Hercules subdomain for antivirus and spam issues.