Azure WebApp Slot

webapp_slot.json

{
    "name": "[concat(variables('apiSiteName'), '/staging')]",
    "type": "Microsoft.Web/sites/slots",
    "location": "[resourceGroup().location]",
    "apiVersion": "2015-08-01",
    "dependsOn": [
        "[resourceId('Microsoft.Web/Sites', variables('apiSiteName'))]"
    ],
    "tags": {
        "[concat('hidden-related:', resourceGroup().id, '/providers/Microsoft.Web/serverfarms/', parameters('apiHostingPlanName'))]": "Resource",
        "displayName": "Slot Web / API"
    },
    "properties": {
        "name": "[concat(variables('apiSiteName'), '(staging)')]",
        "serverFarmId": "[resourceId('Microsoft.Web/serverfarms/', parameters('apiHostingPlanName'))]",
        "clientAffinityEnabled": false
    },
    "resources": [{
            "apiVersion": "2015-08-01",
            "name": "connectionstrings",
            "type": "config",
            "location": "[resourceGroup().location]",
            "dependsOn": [
                "[concat('Microsoft.Web/Sites/', variables('apiSiteName'), '/slots/staging')]"
            ],
            "properties": {
                "masterdata": {
                    "value": "[concat('Data Source=tcp:', reference(resourceId('Microsoft.Sql/servers/', variables('sqlserverName'))).fullyQualifiedDomainName, ',1433;Initial Catalog=', parameters('databaseName'), ';User Id=', parameters('administratorLogin'), '@', variables('sqlserverName'), ';Password=', parameters('administratorLoginPassword'), ';')]",
                    "type": "SQLServer"
                },
                "redis": {
                    "value": "[concat(reference(resourceId('Microsoft.Cache/Redis', variables('RedisCache').Name)).hostName, variables('RedisCache').WebAppRedisSettingText, listKeys(resourceId('Microsoft.Cache/Redis', variables('RedisCache').Name), '2015-08-01').primaryKey)]",
                    "type": "Custom"
                }
            }
        },
        {
            "apiVersion": "2015-08-01",
            "type": "config",
            "name": "web",
            "dependsOn": [
                "[concat('Microsoft.Web/Sites/', variables('apiSiteName'), '/slots/staging')]"
            ],
            "properties": {
                "use32BitWorkerProcess": false,
                "alwaysOn": true,
                "phpVersion": "",
                "defaultDocuments": []
            }
        }
    ]
}