deploy.json

{
    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "webAppName": {
            "type": "string",
            "defaultValue": "[concat('BlazorApp-', uniqueString(resourceGroup().id))]",
            "metadata":{
                "description": "That name is the name of our application. It has to be unique. Type a name followed by your resource group name. (<name>-<resourceGroupName>)"
            }
        },
        "location": {
            "type": "string",
            "defaultValue": "[resourceGroup().location]",
            "metadata":{
                "description": "Location for all resources."
            }
        }
    },
    "variables": {
        "alwaysOn": false,
        "sku": "Free",
        "skuCode": "F1",
        "workerSize": "0",
        "workerSizeId": 0,
        "numberOfWorkers": "1",
        "currentStack": "dotnetcore",
        "netFrameworkVersion": "v4.0",
        "hostingPlanName": "[concat('hpn-', resourceGroup().name)]"
    },
    "resources": [
        {
            "apiVersion": "2018-02-01",
            "name": "[parameters('webAppName')]",
            "type": "Microsoft.Web/sites",
            "location": "[parameters('location')]",
            "dependsOn": [
                "[resourceId('Microsoft.Web/serverfarms/', variables('hostingPlanName'))]"
            ],
            "properties": {
                "name": "[parameters('webAppName')]",
                "siteConfig": {
                    "metadata": [
                        {
                            "name": "CURRENT_STACK",
                            "value": "[variables('currentStack')]"
                        }
                    ],
                    "netFrameworkVersion": "[variables('netFrameworkVersion')]",
                    "alwaysOn": "[variables('alwaysOn')]"
                },
                "serverFarmId": "[resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName'))]",
                "clientAffinityEnabled": true
            }
        },
        {
            "apiVersion": "2018-02-01",
            "name": "[variables('hostingPlanName')]",
            "type": "Microsoft.Web/serverfarms",
            "location": "[parameters('location')]",
            "properties": {
                "name": "[variables('hostingPlanName')]",
                "workerSize": "[variables('workerSize')]",
                "workerSizeId": "[variables('workerSizeId')]",
                "numberOfWorkers": "[variables('numberOfWorkers')]"
            },
            "sku": {
                "Tier": "[variables('sku')]",
                "Name": "[variables('skuCode')]"
            }
        }
    ]
}