How to set the $APP_ROOT value using grunt?

Camunda 7 Topics Discussion & Questions
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I followed the readme.md of camunda-webapps and build the code successfully using “grunt” for camunda 7.16.

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and I tried to host these web ui script using a web server, for example,
python -m http.server 8088

In this case, I opened the welcome page and type http://127.0.0.1:8088/app/welcome/
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however, it was halted.

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It seems that it had a try to connect the camunda backend restful API.
In this case, how do i sperately specify the backend $APP_ROOT value when building UI using grunt
to customize the backend url and port ? Or could you share us the other solutions? Thank you!

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