Function App runs fine locally but fails when deployed to Azure

Question

Following Microsoft Quick Start for Function App with Go (https://learn.microsoft.com/en-us/azure/azure-functions/create-first-function-vs-code-other?tabs=go%2Cwindows)

I was able to successfully run the code locally on my Windows computer. I continued to follow the steps to deploy the Function App to Azure portal and when try to run the Function App at the /api/HttpExample endpoint. It would fail to execute even though it runs fine locally.

Programming language used : Go 1.17.7

Links to source: https://learn.microsoft.com/en-us/azure/azure-functions/create-first-function-vs-code-other?tabs=go%2Cwindows

Bindings used

Please make your question self-contained. See stackoverflow.com/help/how-to-ask — jub0bs
– jub0bs, Commented Mar 22, 2022 at 12:44

Michael Johansen · Accepted Answer · 2022-10-09 13:05:18Z

0

I had the same problem (working locally, wouldn't load when deployed), but I am running Linux locally. The error message I got was:

An attempt was made to access a socket in a way forbidden by its access permissions.

I was creating the Azure Function App through the VS Code Azure extension, and the default OS when creating a Function App is Windows:

The clue was to select the Advanced option and select OS->Linux. With the AZ CLI you need to add the option --os-type Linux, e.g.:

az functionapp create --os-type Linux --resource-group hellogorgplinux --consumption-plan-location eastus --runtime node --runtime-version 10 --functions-version 3 --name hellogoapplinux --storage-account hellogostglinux

answered Oct 9, 2022 at 13:05

Michael Johansen

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