Google Cloud Run allows you to run backend code (Node.js, Python, or Go) in a containerized environment. Since it does not rely on the simple Apps Script frontend wrapper, Google will never inject the "created by a user" warning banner into your frontend. Transition Path:
However, you can completely bypass, remove, or work around this warning banner by using specific deployment strategies.
Because the web app is hosted on the ://google.com domain, Google injects this iframe header as a security measure to prevent phishing and spoofing. Even with a Google Workspace (formerly G Suite) Business or Enterprise account, the banner remains. Google Cloud Run allows you to run backend code (Node
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Submit the application for formal . Once Google verifies your developer identity, the unverified app warnings disappear. Design Adjustments for Mobile Responsiveness Because the web app is hosted on the ://google
Set to "Anyone within [Your Organization Name]" .
When users visit your custom domain, the code runs inside the container without showing the top Google warning header to the audience. 2. Transition to Google Workspace Add-ons Once Google verifies your developer identity, the unverified
Method 3: Reverse Proxy via a Node.js or Cloudflare Worker Server
: Only applicable to add-ons, not standalone web apps.
When you deploy and set access to "Anyone within [Your Domain]," the banner is removed for your colleagues. Verification: