template.json

{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "apiManagementPublisherEmailAddress": {
      "type": "string",
      "minLength": 1,
      "metadata": {
        "description": "The email address of the owner of the API Management service."
      }
    },
    "apiManagementPublisherName": {
      "type": "string",
      "minLength": 1,
      "metadata": {
        "description": "The name of the owner of the API Management service."
      }
    },
    "apiManagementSkuCount": {
      "type": "string",
      "allowedValues": [
        "1",
        "2"
      ],
      "defaultValue": "1",
      "metadata": {
        "description": "The instance size of the API Management service."
      }
    },

    "uniqueResourceNameSuffix": {
      "type": "string",
      "defaultValue": "[uniqueString(subscription().subscriptionId, resourceGroup().id)]",
      "metadata": {
        "description": "The suffix to add to resource names that require global uniqueness."
      }
    }
  },
  "variables": {
    "apiManagementServiceName": "[concat('apiservice', parameters('uniqueResourceNameSuffix'))]",

    "functionsStorageAccountName": "[concat('fn', parameters('uniqueResourceNameSuffix'))]",
    "functionsStorageAccountResourceId": "[resourceId('Microsoft.Storage/storageAccounts', variables('functionsStorageAccountName'))]",
    "functionsAppServicePlanName": "FunctionsApps",
    "functionsAppName": "[concat('fn', parameters('uniqueResourceNameSuffix'))]"
  },
  "resources": [
    {
      "name": "[variables('apiManagementServiceName')]",
      "type": "Microsoft.ApiManagement/service",
      "apiVersion": "2018-06-01-preview",
      "location": "[resourceGroup().location]",
      "sku": {
        "name": "Consumption"
      },
      "properties": {
        "publisherEmail": "[parameters('apiManagementPublisherEmailAddress')]",
        "publisherName": "[parameters('apiManagementPublisherName')]"
      },
      "resources": [
        {
          "type": "apis",
          "name": "shipping-calculator",
          "apiVersion": "2018-06-01-preview",
          "properties": {
            "displayName": "Shipping API",
            "description": "Provides shipping cost calculations.",
            "serviceUrl": "[listSecrets(resourceId('Microsoft.Web/sites/functions', variables('functionsAppName'), 'CalculateShipping'), '2018-02-01').trigger_url]",
            "path": "shipping",
            "protocols": [
              "https"
            ]
          },
          "dependsOn": [
            "[resourceId('Microsoft.ApiManagement/service', variables('apiManagementServiceName'))]",
            "[resourceId('Microsoft.Web/sites/functions', variables('functionsAppName'), 'CalculateShipping')]"
          ],
          "resources": [
            {
              "type": "operations",
              "name": "calculateShipping",
              "apiVersion": "2018-06-01-preview",
              "properties": {
                "displayName": "Calculate shipping cost",
                "method": "POST",
                "urlTemplate": "/calculateShipping",
                "description": "Calculates the cost of a shipment.",
                "responses": [
                  {
                    "statusCode": 200,
                    "description": "OK"
                  }
                ]
              },
              "dependsOn": [
                "[resourceId('Microsoft.ApiManagement/service/apis', variables('apiManagementServiceName'), 'shipping-calculator')]",
                "[resourceId('Microsoft.Web/sites', variables('functionsAppName'))]"
              ],
              "resources": [
                {
                  "name": "policy",
                  "type": "policies",
                  "apiVersion": "2017-03-01",
                  "properties": {
                      "policyContent": "[concat('<policies>\r\n  <inbound>\r\n    <set-header name=\"x-functions-key\" exists-action=\"override\">\r\n      <value>', listSecrets(resourceId('Microsoft.Web/sites/functions', variables('functionsAppName'), 'CalculateShipping'), '2018-02-01').key, '<\/value>\r\n    <\/set-header>\r\n    <base \/>\r\n  <\/inbound>\r\n  <backend>\r\n    <base \/>\r\n  <\/backend>\r\n  <outbound>\r\n    <base \/>\r\n  <\/outbound>\r\n  <on-error>\r\n    <base \/>\r\n  <\/on-error>\r\n<\/policies>')]"
                  },
                  "dependsOn": [
                    "[resourceId('Microsoft.ApiManagement/service/apis/operations', variables('apiManagementServiceName'), 'shipping-calculator', 'calculateShipping')]",
                    "[resourceId('Microsoft.Web/sites/functions', variables('functionsAppName'), 'CalculateShipping')]"
                  ]
                }
              ]
            }
          ]
        },
        {
          "type": "products",
          "name": "Free",
          "apiVersion": "2018-06-01-preview",
          "properties": {
              "displayName": "Free",
              "description": "Product that grants limited free access to APIs.",
              "subscriptionRequired": false,
              "state": "published"
          },
          "dependsOn": [
            "[resourceId('Microsoft.ApiManagement/service', variables('apiManagementServiceName'))]"
          ],
          "resources": [
            {
              "type": "apis",
              "name": "shipping-calculator",
              "apiVersion": "2018-06-01-preview",
              "dependsOn": [
                "[resourceId('Microsoft.ApiManagement/service/products', variables('apiManagementServiceName'), 'Free')]",
                "[resourceId('Microsoft.ApiManagement/service/apis', variables('apiManagementServiceName'), 'shipping-calculator')]"
              ]
            },
            {
              "name": "policy",
              "type": "policies",
              "apiVersion": "2018-06-01-preview",
              "properties": {
                  "policyContent": "[concat('<policies>\r\n  <inbound>\r\n    <rate-limit-by-key calls=\"3\" renewal-period=\"15\" counter-key=\"@(context.Request.IpAddress)\" \/>\r\n    <base \/>\r\n  <\/inbound>\r\n  <backend>\r\n    <base \/>\r\n  <\/backend>\r\n  <outbound>\r\n    <base \/>\r\n  <\/outbound>\r\n  <on-error>\r\n    <base \/>\r\n  <\/on-error>\r\n<\/policies>')]"
              },
              "dependsOn": [
                "[resourceId('Microsoft.ApiManagement/service/products', variables('apiManagementServiceName'), 'Free')]"
              ]
            }
          ]
        }
      ]
    },
    
    {
      "name": "[variables('functionsStorageAccountName')]",
      "type": "Microsoft.Storage/storageAccounts",
      "location": "[resourceGroup().location]",
      "apiVersion": "2018-02-01",
      "sku": {
        "name": "Standard_LRS"
      },
      "kind": "StorageV2",
      "properties": {
        "accessTier": "Hot",
        "supportsHttpsTrafficOnly": true,
        "encryption": {
          "services": {
            "blob": {
              "enabled": true
            }
          },
          "keySource": "Microsoft.Storage"
        }
      }
    },
    {
      "name": "[variables('functionsAppServicePlanName')]",
      "type": "Microsoft.Web/serverfarms",
      "location": "[resourceGroup().location]",
      "apiVersion": "2016-09-01",
      "sku": {
        "name": "Y1",
        "tier": "Dynamic",
        "size": "Y1",
        "family": "Y",
        "capacity": 0
      },
      "kind": "functionapp",
      "properties": {
        "workerTierName": null,
        "adminSiteName": null,
        "hostingEnvironmentProfile": null,
        "perSiteScaling": false,
        "reserved": false,
        "targetWorkerCount": 0,
        "targetWorkerSizeId": 0
      }
    },
    {
      "name": "[variables('functionsAppName')]",
      "type": "Microsoft.Web/sites",
      "location": "[resourceGroup().location]",
      "apiVersion": "2016-08-01",
      "kind": "functionapp",
      "properties": {
        "enabled": true,
        "serverFarmId": "[resourceId('Microsoft.Web/serverfarms', variables('functionsAppServicePlanName'))]",
        "reserved": false,
        "siteConfig": {
          "ftpsState": "Disabled"
        }
      },
      "resources": [
        {
          "name": "appsettings",
          "type": "config",
          "apiVersion": "2014-11-01",
          "properties": {
            "AzureWebJobsDashboard": "[concat('DefaultEndpointsProtocol=https;AccountName=', variables('functionsStorageAccountName'), ';AccountKey=', listKeys(variables('functionsStorageAccountResourceId'),'2015-05-01-preview').key1)]",
            "AzureWebJobsStorage": "[concat('DefaultEndpointsProtocol=https;AccountName=', variables('functionsStorageAccountName'), ';AccountKey=', listKeys(variables('functionsStorageAccountResourceId'),'2015-05-01-preview').key1)]",
            "AzureWebJobsSecretStorageType": "files"
          },
          "dependsOn": [
            "[resourceId('Microsoft.Web/sites', variables('functionsAppName'))]",
            "[variables('functionsStorageAccountResourceId')]"
          ]
        },
        {
          "name": "CalculateShipping",
          "type": "functions",
          "apiVersion": "2015-08-01",
          "properties": {
            "config": {
              "bindings": [
                {
                  "type": "httpTrigger",
                  "direction": "in",
                  "authLevel": "function",
                  "name": "req",
                  "methods": [
                    "post"
                  ]
                },
                {
                  "name": "$return",
                  "type": "http",
                  "direction": "out"
                }
              ],
              "disabled": false
            },
            "files": {
              "run.csx": "#r \"Newtonsoft.Json\"\r\n\r\nusing System.Net;\r\nusing Microsoft.AspNetCore.Mvc;\r\nusing Microsoft.Extensions.Primitives;\r\nusing Newtonsoft.Json;\r\n\r\nstatic Random Random = new Random();\r\n\r\npublic static async Task<IActionResult> Run(HttpRequest req, ILogger log)\r\n{\r\n    string requestBody = await new StreamReader(req.Body).ReadToEndAsync();\r\n    var shippingDetails = JsonConvert.DeserializeObject<ShippingDetails>(requestBody);\r\n\r\n    var shippingCost = CalculateShippingCost(shippingDetails);\r\n\r\n    return (ActionResult)new OkObjectResult(shippingCost);\r\n}\r\n\r\npublic static ShippingCost CalculateShippingCost(ShippingDetails shippingDetails)\r\n{\r\n    \/\/ simulating doing important calculations...\r\n    return new ShippingCost\r\n    {\r\n        Cost = (decimal)Random.NextDouble() * 50\r\n    };\r\n}\r\n\r\npublic class ShippingDetails\r\n{\r\n    public decimal PackageWidth { get; set; }\r\n    public decimal PackageHeight { get; set; }\r\n    public decimal PackageDepth { get; set; }\r\n    public decimal PackageWeight { get; set; }\r\n    public string RecipientPostCode { get; set; }\r\n}\r\n\r\npublic class ShippingCost\r\n{\r\n    public decimal Cost { get; set; }\r\n}"
            }
          },
          "dependsOn": [
            "[resourceId('Microsoft.Web/sites', variables('functionsAppName'))]"
          ]
        }
      ],
      "dependsOn": [
        "[resourceId('Microsoft.Web/serverfarms', variables('functionsAppServicePlanName'))]"
      ]
    }
  ]
}