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I have a node function app that runs fine locally and when deployed. However, I receive the error : Your azure function app has functions_worker_runtime set to node while your local project is set to none and am unable to deploy it if I don't check in local.settings.json which has the FUNCTIONS_WORKER_RUNTIME set to node. My arm template app settings has the FUNCTIONS_WORKER_RUNTIME set to node.

I've tried setting an environment variable during deployment, but it seems like it is reading it out of local settings?

How can I deploy this without checking in the local.settings.json file?

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  • when you deploy, it will never look at your local.settings file Commented Jul 10, 2019 at 21:20
  • i would create a blank node app through azure and see exactly what app settings are configured in the portal for it Commented Jul 10, 2019 at 21:21

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I encountered the same error when publishing a function using below command from Travis CI build.

func azure functionapp publish <APP_NAME>


Error:

Your Azure Function App has 'FUNCTIONS_WORKER_RUNTIME' set to 'node' while your local project is set to 'None'.
You can pass --force to update your Azure app with 'None' as a 'FUNCTIONS_WORKER_RUNTIME'


Resolved it by specifying the language in-line as below,

func azure functionapp publish <APP_NAME> --typescript

Strangely, the publish options listed in documentation doesn't mention this option. Was able to figure it out with the help of a hint that came along with the error message above.

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3 Comments

Even after almost a full year, this helped me out (although in my case it was --python). Thanks!
To extend this further the available options seem to be as follows: --csharp, --javascript, --typescript, --java, --python, --powershell, --custom
Helped a lot! Without this publish of a Timer-based V4 function for windows does not work correctly and no function is seen in Azure Function App.

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