feat: Add Nat Gateway for outbound access in OCPP server infrastructure

ocpp-server/infra/main.bicep

@@ -25,11 +25,20 @@ param pubSubHubName string = 'OcppService'
 var pubsubHostName = '${pubsubARecordName}.${customDnsZoneName}'
 var webHostName = '${webARecordName}.${customDnsZoneName}'
 
+// Add a Nat Gateway for outbound access
+module natgw './modules/natgw.bicep' = {
+  name: 'natGwService'
+  params: {
+    natGwName: 'natgw-${uniqueString(resourceGroup().id)}'
+    location: resourceGroup().location
+  }
+}
 // Creates a VNet with 3 subnets: default, gateway and private endpoints
 module virtualNetwork './modules/virtualNetwork.bicep' = {
   name: 'vNet'
   params: {
     virtualNetworkName: 'vnet-${uniqueString(resourceGroup().id)}'
+    natGatewayId: natgw.outputs.natGatewayId
   }
 }
 

ocpp-server/infra/modules/natgw.bicep

@@ -0,0 +1,34 @@
+param natGwName string
+param sku string = 'Standard'
+param tier string = 'Regional'
+param idleTimeoutInMinutes int = 4
+param location string = resourceGroup().location
+
+resource publicIpPrefixes 'Microsoft.Network/publicIPPrefixes@2023-11-01' = {
+  name: 'ipPrefixes-${natGwName}'
+  location: location
+  sku: {
+    name: sku
+    tier: tier
+  }
+  properties: {
+    prefixLength: 28
+    publicIPAddressVersion: 'IPv4'
+    natGateway: {
+      id: natGateway.id
+    }
+  }
+}
+
+resource natGateway 'Microsoft.Network/natGateways@2023-11-01' = {
+  name: natGwName
+  location: location
+  sku: {
+    name: sku
+  }
+  properties: {
+    idleTimeoutInMinutes: idleTimeoutInMinutes
+  }
+}
+
+output natGatewayId string = natGateway.id

ocpp-server/infra/modules/virtualNetwork.bicep

@@ -7,6 +7,7 @@ param privateSubnetName string = 'private-endpoints'
 param privateSubnetPrefix string = '10.1.1.0/24'
 param gatewaySubnetName string = 'gateway'
 param gatewaySubnetPrefix string = '10.1.2.0/24'
+param natGatewayId string
 
 resource virtualNetwork 'Microsoft.Network/virtualNetworks@2019-09-01' = {
   name: virtualNetworkName
@@ -20,25 +21,34 @@ resource virtualNetwork 'Microsoft.Network/virtualNetworks@2019-09-01' = {
         name: subnetName
         properties: {
           addressPrefix: subnetPrefix
+          natGateway: {
+            id: natGatewayId
+          }
           delegations: [
             {
               name: 'Microsoft.Web/serverFarms'
               properties: {
                 serviceName: 'Microsoft.Web/serverFarms'
               }
             }
-          ]      
+          ]
         }
       }
       {
         name: privateSubnetName
         properties: {
+          natGateway: {
+            id: natGatewayId
+          }
           addressPrefix: privateSubnetPrefix
         }
       }
       {
         name: gatewaySubnetName
         properties: {
+          natGateway: {
+            id: natGatewayId
+          }
           addressPrefix: gatewaySubnetPrefix
         }
       }