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Resource Manager template sample for creating Azure Function apps with Application Insights monitoring

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This article includes sample Azure Resource Manager templates to deploy and configure classic Application Insights resources in conjunction with an Azure Function app. The sample includes a template file and a parameters file with sample values to provide to the template.

Note

See Azure Monitor resource manager samples for a list of samples that are available and guidance on deploying them in your Azure subscription.

Azure Function App

The following sample creates a .NET Core 3.1 Azure Function app running on a Windows App Service plan and a classic Application Insights resource with monitoring enabled.

Template file

param subscriptionId string
param name string
param location string
param hostingPlanName string
param serverFarmResourceGroup string
param alwaysOn bool
param storageAccountName string

resource site 'Microsoft.Web/sites@2021-03-01' = {
  name: name
  kind: 'functionapp'
  location: location
  properties: {
    siteConfig: {
      appSettings: [
        {
          name: 'FUNCTIONS_EXTENSION_VERSION'
          value: '~3'
        }
        {
          name: 'FUNCTIONS_WORKER_RUNTIME'
          value: 'dotnet'
        }
        {
          name: 'APPINSIGHTS_INSTRUMENTATIONKEY'
          value: reference('microsoft.insights/components/function-app-01', '2015-05-01').InstrumentationKey
        }
        {
          name: 'APPLICATIONINSIGHTS_CONNECTION_STRING'
          value: reference('microsoft.insights/components/function-app-01', '2015-05-01').ConnectionString
        }
        {
          name: 'AzureWebJobsStorage'
          value: 'DefaultEndpointsProtocol=https;AccountName=${storageAccountName};AccountKey=${storageAccount.listKeys().keys[0].value};EndpointSuffix=core.windows.net'
        }
      ]
      alwaysOn: alwaysOn
    }
    serverFarmId: '/subscriptions/${subscriptionId}/resourcegroups/${serverFarmResourceGroup}/providers/Microsoft.Web/serverfarms/${hostingPlanName}'
    clientAffinityEnabled: true
  }
  dependsOn: [
    functionApp
  ]
}

resource functionApp 'microsoft.insights/components@2015-05-01' = {
  name: 'function-app-01'
  location: location
  kind: 'web'
  properties: {
    Application_Type: 'web'
    Request_Source: 'rest'
  }
}

resource storageAccount 'Microsoft.Storage/storageAccounts@2021-08-01' = {
  name: storageAccountName
  location: location
  sku: {
    name: 'Standard_LRS'
  }
  kind: 'Storage'
  properties: {
    supportsHttpsTrafficOnly: true
  }
}

Parameters file

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "subscriptionId": {
      "value": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
    },
    "name": {
      "value": "function-app-01"
    },
    "location": {
      "value": "Central US"
    },
    "hostingPlanName": {
      "value": "WebApplication2720191003010920Plan"
    },
    "serverFarmResourceGroup": {
      "value": "Testwebapp01"
    },
    "alwaysOn": {
      "value": true
    },
    "storageAccountName": {
      "value": "storageaccountest93"
    }
  }
}

Next steps