Invalid Host Header when ngrok tries to connect to React dev server

I’m encountering a similar issue and found two solutions that work as far as viewing the application directly in a browser

ngrok http 8080 -host-header="localhost:8080"
ngrok http --host-header=rewrite 8080

obviously replace 8080 with whatever port you’re running on

this solution still raises an error when I use this in an embedded page, that pulls the bundle.js from the react app. I think since it rewrites the header to localhost, when this is embedded, it’s looking to localhost, which the app is no longer running on

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