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Quickstart: Use Bicep to create and publish an Azure Managed Application definition

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This quickstart describes how to use Bicep to create and publish an Azure Managed Application definition in your service catalog. The definition's in your service catalog are available to members of your organization.

To create and publish a managed application definition to your service catalog, do the following tasks:

  • Use Bicep to develop your template and convert it to an Azure Resource Manager template (ARM template). The template defines the Azure resources deployed by the managed application.
  • Convert Bicep to JSON with the Bicep build command. After the file is converted to JSON, verify the code for accuracy.
  • Define the user interface elements for the portal when deploying the managed application.
  • Create a .zip package that contains the required JSON files. The .zip package file has a 120-MB limit for a service catalog's managed application definition.
  • Publish the managed application definition so it's available in your service catalog.

If your managed application definition is more than 120 MB or if you want to use your own storage account for your organization's compliance reasons, go to Quickstart: Bring your own storage to create and publish an Azure Managed Application definition.

You can also use Bicep deploy a managed application definition from your service catalog. For more information, go to Quickstart: Use Bicep to deploy an Azure Managed Application definition.

Prerequisites

To complete the tasks in this article, you need the following items:

Create a Bicep file

Every managed application definition includes a file named mainTemplate.json. The template defines the Azure resources to deploy and is no different than a regular ARM template. You can develop the template using Bicep and then convert the Bicep file to JSON.

Open Visual Studio Code, create a file with the case-sensitive name mainTemplate.bicep and save it.

Add the following Bicep code and save the file. It defines the managed application's resources to deploy an App Service, App Service plan, and a storage account.

param location string = resourceGroup().location

@description('App Service plan name.')
@maxLength(40)
param appServicePlanName string

@description('App Service name prefix.')
@maxLength(47)
param appServiceNamePrefix string

var appServicePlanSku = 'B1'
var appServicePlanCapacity = 1
var appServiceName = '${appServiceNamePrefix}${uniqueString(resourceGroup().id)}'
var linuxFxVersion = 'DOTNETCORE|8.0'

resource appServicePlan 'Microsoft.Web/serverfarms@2023-01-01' = {
  name: appServicePlanName
  location: location
  sku: {
    name: appServicePlanSku
    capacity: appServicePlanCapacity
  }
  kind: 'linux'
  properties: {
    zoneRedundant: false
    reserved: true
  }
}

resource appService 'Microsoft.Web/sites@2023-01-01' = {
  name: appServiceName
  location: location
  properties: {
    serverFarmId: appServicePlan.id
    httpsOnly: true
    redundancyMode: 'None'
    siteConfig: {
      linuxFxVersion: linuxFxVersion
      minTlsVersion: '1.2'
      ftpsState: 'Disabled'
    }
  }
}

output appServicePlan string = appServicePlanName
output appServiceApp string = appService.properties.defaultHostName

Convert Bicep to JSON

Use PowerShell or Azure CLI to build the mainTemplate.json file. Go to the directory where you saved your Bicep file and run the build command.

bicep build mainTemplate.bicep

To learn more, go to Bicep build.

After the Bicep file is converted to JSON, your mainTemplate.json file should match the following example. You might have different values in the metadata properties for version and templateHash.

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "metadata": {
    "_generator": {
      "name": "bicep",
      "version": "0.30.3.12046",
      "templateHash": "16466621031230437685"
    }
  },
  "parameters": {
    "location": {
      "type": "string",
      "defaultValue": "[resourceGroup().location]"
    },
    "appServicePlanName": {
      "type": "string",
      "maxLength": 40,
      "metadata": {
        "description": "App Service plan name."
      }
    },
    "appServiceNamePrefix": {
      "type": "string",
      "maxLength": 47,
      "metadata": {
        "description": "App Service name prefix."
      }
    }
  },
  "variables": {
    "appServicePlanSku": "B1",
    "appServicePlanCapacity": 1,
    "appServiceName": "[format('{0}{1}', parameters('appServiceNamePrefix'), uniqueString(resourceGroup().id))]",
    "linuxFxVersion": "DOTNETCORE|8.0"
  },
  "resources": [
    {
      "type": "Microsoft.Web/serverfarms",
      "apiVersion": "2023-01-01",
      "name": "[parameters('appServicePlanName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "[variables('appServicePlanSku')]",
        "capacity": "[variables('appServicePlanCapacity')]"
      },
      "kind": "linux",
      "properties": {
        "zoneRedundant": false,
        "reserved": true
      }
    },
    {
      "type": "Microsoft.Web/sites",
      "apiVersion": "2023-01-01",
      "name": "[variables('appServiceName')]",
      "location": "[parameters('location')]",
      "properties": {
        "serverFarmId": "[resourceId('Microsoft.Web/serverfarms', parameters('appServicePlanName'))]",
        "httpsOnly": true,
        "redundancyMode": "None",
        "siteConfig": {
          "linuxFxVersion": "[variables('linuxFxVersion')]",
          "minTlsVersion": "1.2",
          "ftpsState": "Disabled"
        }
      },
      "dependsOn": [
        "[resourceId('Microsoft.Web/serverfarms', parameters('appServicePlanName'))]"
      ]
    }
  ],
  "outputs": {
    "appServicePlan": {
      "type": "string",
      "value": "[parameters('appServicePlanName')]"
    },
    "appServiceApp": {
      "type": "string",
      "value": "[reference(resourceId('Microsoft.Web/sites', variables('appServiceName')), '2023-01-01').defaultHostName]"
    }
  }
}

Define your portal experience

As a publisher, you define the portal experience to create the managed application. The createUiDefinition.json file generates the portal's user interface. You define how users provide input for each parameter using control elements like drop-downs and text boxes.

In this example, the user interface prompts you to input the App Service name prefix and App Service plan's name. During deployment of mainTemplate.json the appServiceName variables uses the uniqueString function to append a 13-character string to the name prefix so the name is globally unique across Azure.

Open Visual Studio Code, create a file with the case-sensitive name createUiDefinition.json and save it.

Add the following JSON code to the file and save it.

{
  "$schema": "https://schema.management.azure.com/schemas/0.1.2-preview/CreateUIDefinition.MultiVm.json#",
  "handler": "Microsoft.Azure.CreateUIDef",
  "version": "0.1.2-preview",
  "parameters": {
    "basics": [
      {}
    ],
    "steps": [
      {
        "name": "webAppSettings",
        "label": "Web App settings",
        "subLabel": {
          "preValidation": "Configure the web app settings",
          "postValidation": "Completed"
        },
        "elements": [
          {
            "name": "appServicePlanName",
            "type": "Microsoft.Common.TextBox",
            "label": "App Service plan name",
            "placeholder": "App Service plan name",
            "defaultValue": "",
            "toolTip": "Use alphanumeric characters or hyphens with a maximum of 40 characters.",
            "constraints": {
              "required": true,
              "regex": "^[a-z0-9A-Z-]{1,40}$",
              "validationMessage": "Only alphanumeric characters or hyphens are allowed, with a maximum of 40 characters."
            },
            "visible": true
          },
          {
            "name": "appServiceName",
            "type": "Microsoft.Common.TextBox",
            "label": "App Service name prefix",
            "placeholder": "App Service name prefix",
            "defaultValue": "",
            "toolTip": "Use alphanumeric characters or hyphens with minimum of 2 characters and maximum of 47 characters.",
            "constraints": {
              "required": true,
              "regex": "^[a-z0-9A-Z-]{2,47}$",
              "validationMessage": "Only alphanumeric characters or hyphens are allowed, with a minimum of 2 characters and maximum of 47 characters."
            },
            "visible": true
          }
        ]
      }
    ],
    "outputs": {
      "location": "[location()]",
      "appServicePlanName": "[steps('webAppSettings').appServicePlanName]",
      "appServiceNamePrefix": "[steps('webAppSettings').appServiceName]"
    }
  }
}

To learn more, go to Get started with CreateUiDefinition.

Package the files

Add the two files to a package file named app.zip. The two files must be at the root level of the .zip file. If the files are in a folder, when you create the managed application definition, you receive an error that states the required files aren't present.

Upload app.zip to an Azure storage account so you can use it when you deploy the managed application's definition. The storage account name must be globally unique across Azure and the length must be 3-24 characters with only lowercase letters and numbers. In the command, replace the placeholder <pkgstorageaccountname> including the angle brackets (<>), with your unique storage account name.

In Visual Studio Code, open a new PowerShell terminal and sign in to your Azure subscription.

Connect-AzAccount

The command opens your default browser and prompts you to sign in to Azure. For more information, go to Sign in with Azure PowerShell.

After you connect, run the following commands.

New-AzResourceGroup -Name packageStorageGroup -Location westus

$pkgstorageparms = @{
  ResourceGroupName = "packageStorageGroup"
  Name = "<pkgstorageaccountname>"
  Location = "westus"
  SkuName = "Standard_LRS"
  Kind = "StorageV2"
  MinimumTlsVersion = "TLS1_2"
  AllowBlobPublicAccess = $true
  AllowSharedKeyAccess = $false
}

$pkgstorageaccount = New-AzStorageAccount @pkgstorageparms

The $pkgstorageparms variable uses PowerShell splatting to improve readability for the parameter values used in the command to create the new storage account. Splatting is used in other PowerShell commands that use multiple parameter values.

After you create the storage account, add the role assignment Storage Blob Data Contributor to the storage account scope. Assign access to your Microsoft Entra user account. Depending on your access level in Azure, you might need other permissions assigned by your administrator. For more information, see Assign an Azure role for access to blob data and Assign Azure roles using the Azure portal.

After you add the role to the storage account, it takes a few minutes to become active in Azure. You can then create the context needed to create the container and upload the file.

$pkgstoragecontext = New-AzStorageContext -StorageAccountName $pkgstorageaccount.StorageAccountName -UseConnectedAccount

New-AzStorageContainer -Name appcontainer -Context $pkgstoragecontext -Permission blob

$blobparms = @{
  File = "app.zip"
  Container = "appcontainer"
  Blob = "app.zip"
  Context = $pkgstoragecontext
}

Set-AzStorageBlobContent @blobparms

Use the following command to store the package file's URI in a variable named packageuri. You use the variable's value when you deploy the managed application definition.

$packageuri=(Get-AzStorageBlob -Container appcontainer -Blob app.zip -Context $pkgstoragecontext).ICloudBlob.StorageUri.PrimaryUri.AbsoluteUri

Create the managed application definition

In this section, you get identity information from Microsoft Entra ID, create a resource group, and deploy the managed application definition.

Get group ID and role definition ID

The next step is to select a user, security group, or application for managing the resources for the customer. This identity has permissions on the managed resource group according to the assigned role. The role can be any Azure built-in role like Owner or Contributor.

This example uses a security group, and your Microsoft Entra account should be a member of the group. To get the group's object ID, replace the placeholder <managedAppDemo> including the angle brackets (<>), with your group's name. You use the variable's value when you deploy the managed application definition.

To create a new Microsoft Entra group, go to Manage Microsoft Entra groups and group membership.

$principalid=(Get-AzADGroup -DisplayName <managedAppDemo>).Id

Next, get the role definition ID of the Azure built-in role you want to grant access to the user, group, or application. You use the variable's value when you deploy the managed application definition.

$roleid=(Get-AzRoleDefinition -Name Owner).Id

Create the definition deployment template

Use a Bicep file to deploy the managed application definition in your service catalog.

Open Visual Studio Code, create a file with the name deployDefinition.bicep and save it.

Add the following Bicep code and save the file.

param location string = resourceGroup().location

@description('Name of the managed application definition.')
param managedApplicationDefinitionName string

@description('The URI of the .zip package file.')
param packageFileUri string

@description('Publishers Principal ID that needs permissions to manage resources in the managed resource group.')
param principalId string

@description('Role ID for permissions to the managed resource group.')
param roleId string

var definitionLockLevel = 'ReadOnly'
var definitionDisplayName = 'Sample Bicep managed application'
var definitionDescription = 'Sample Bicep managed application that deploys web resources'

resource managedApplicationDefinition 'Microsoft.Solutions/applicationDefinitions@2021-07-01' = {
  name: managedApplicationDefinitionName
  location: location
  properties: {
    lockLevel: definitionLockLevel
    description: definitionDescription
    displayName: definitionDisplayName
    packageFileUri: packageFileUri
    authorizations: [
      {
        principalId: principalId
        roleDefinitionId: roleId
      }
    ]
  }
}

For more information about the template's properties, go to Microsoft.Solutions/applicationDefinitions.

The lockLevel on the managed resource group prevents the customer from performing undesirable operations on this resource group. Currently, ReadOnly is the only supported lock level. ReadOnly specifies that the customer can only read the resources present in the managed resource group. The publisher identities that are granted access to the managed resource group are exempt from the lock level.

Create the parameter file

The managed application definition's deployment template needs input for several parameters. The deployment command prompts you for the values or you can create a parameter file for the values. In this example, we use a parameter file to pass the parameter values to the deployment command.

In Visual Studio Code, create a new file named deployDefinition-parameters.bicepparam and save it.

Add the following to your parameter file and save it. Then, replace the <placeholder values> including the angle brackets (<>), with your values.

using './deployDefinition.bicep'

param managedApplicationDefinitionName = 'sampleBicepManagedApplication'
param packageFileUri = '<placeholder for the packageFileUri>'
param principalId = '<placeholder for principalid value>'
param roleId = '<placeholder for roleid value>'

The following table describes the parameter values for the managed application definition.

Parameter Value
managedApplicationDefinitionName Name of the managed application definition. For this example, use sampleBicepManagedApplication.
packageFileUri Enter the URI for your .zip package file. Use your packageuri variable's value.
principalId The publishers principal ID that needs permissions to manage resources in the managed resource group. Use your principalid variable's value.
roleId Role ID for permissions to the managed resource group. For example Owner, Contributor, Reader. Use your roleid variable's value.

To get your variable values:

  • Azure PowerShell: In PowerShell, type $variableName to display a variable's value.
  • Azure CLI: In Bash, type echo $variableName to display a variable's value.

Deploy the definition

When you deploy the managed application's definition, it becomes available in your service catalog. This process doesn't deploy the managed application's resources.

Create a resource group named bicepDefinitionGroup and deploy the managed application definition.

New-AzResourceGroup -Name bicepDefinitionGroup -Location westus

$deployparms = @{
  ResourceGroupName = "bicepDefinitionGroup"
  TemplateFile = "deployDefinition.bicep"
  TemplateParameterFile = "deployDefinition-parameters.bicepparam"
  Name = "deployDefinition"
}

New-AzResourceGroupDeployment @deployparms

Verify the results

Run the following command to verify the definition is published in your service catalog.

Get-AzManagedApplicationDefinition -ResourceGroupName bicepDefinitionGroup

Get-AzManagedApplicationDefinition lists all the available definitions in the specified resource group, like sampleBicepManagedApplication.

Make sure users can access your definition

You have access to the managed application definition, but you want to make sure other users in your organization can access it. Grant them at least the Reader role on the definition. They might have inherited this level of access from the subscription or resource group. To check who has access to the definition and add users or groups, go to Assign Azure roles using the Azure portal.

Clean up resources

If you're going to deploy the definition, continue with the Next steps section that links to the article to deploy the definition with Bicep.

If you're finished with the managed application definition, you can delete the resource groups you created named packageStorageGroup and bicepDefinitionGroup.

The command prompts you to confirm that you want to remove the resource group.

Remove-AzResourceGroup -Name packageStorageGroup

Remove-AzResourceGroup -Name bicepDefinitionGroup

Next steps

You published the managed application definition. The next step is to learn how to deploy an instance of that definition.

Quickstart: Use Bicep to deploy an Azure Managed Application definition.