ARMTemplate: RunFromPackage sample

{
  "properties": {
    "mode": "Incremental",
    "parameters": {
      "siteName": {
        "value": "your sitename"
      },
      "location": {
        "value": "your location"
      },
      "packageUri": {
        "value": "your zip content url"
      }
    },
    "template": {
      "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "parameters": {
        "siteName": {
          "type": "string"
        },
        "location": {
          "type": "string"
        },
        "packageUri": {
          "type": "string"
        }
      },
      "resources": [
        {
          "name": "[parameters('siteName')]",
          "type": "Microsoft.Web/sites",
          "apiVersion": "2016-03-01",
          "location": "[parameters('location')]",
          "properties": {
            "siteConfig": {
              "appSettings": [
                {
                  "name": "WEBSITE_RUN_FROM_PACKAGE",
                  "value": "1"
                }
              ]
            }
          },
          "resources": [
            {
              "name": "ZipDeploy",
              "type": "Extensions",
              "apiVersion": "2016-03-01",
              "dependsOn": [
                "[concat('Microsoft.Web/sites/', parameters('siteName'))]"
              ],
              "properties": {
                "packageUri": "[parameters('packageUri')]"
              }
            }
          ]
        }
      ]
    }
  }
}