fix

Author: ShilpiR

src/Aspire.Hosting.Azure.AppService/AzureAppServiceWebsiteContext.cs

@@ -62,9 +62,9 @@ public void SetWebsiteHostName(string hostName, string? slotHostName)
         }
     }
 
-    private readonly ProvisioningParameter _websiteHostNameParameter = new ProvisioningParameter("websiteHostName", typeof(string));
+    private readonly ProvisioningParameter _websiteHostNameParameter = new ProvisioningParameter($"{resource.Name}-websiteHostName", typeof(string));
 
-    private readonly ProvisioningParameter _websiteSlotHostNameParameter = new ProvisioningParameter("websiteSlotHostName", typeof(string));
+    private readonly ProvisioningParameter _websiteSlotHostNameParameter = new ProvisioningParameter($"{resource.Name}-websiteSlotHostName", typeof(string));
 
     public async Task ProcessAsync(CancellationToken cancellationToken)
     {
@@ -164,6 +164,8 @@ private void ProcessEndpoints()
         if (value is EndpointReference ep)
         {
             var context = environmentContext.GetAppServiceContext(ep.Resource);
+            Infra.Add(context._websiteHostNameParameter);
+            Infra.Add(context._websiteSlotHostNameParameter);
             return isSlot ?
                 (GetEndpointValue(context._slotEndpointMapping[ep.EndpointName], EndpointProperty.Url, context._websiteSlotHostNameParameter), secretType) :
                 (GetEndpointValue(context._endpointMapping[ep.EndpointName], EndpointProperty.Url, context._websiteHostNameParameter), secretType);
@@ -205,6 +207,8 @@ private void ProcessEndpoints()
             var context = environmentContext.GetAppServiceContext(epExpr.Endpoint.Resource);
             var mapping = isSlot ? context._slotEndpointMapping[epExpr.Endpoint.EndpointName] : context._endpointMapping[epExpr.Endpoint.EndpointName];
             var val = GetEndpointValue(mapping, epExpr.Property, isSlot ? context._websiteSlotHostNameParameter : context._websiteHostNameParameter);
+            Infra.Add(context._websiteHostNameParameter);
+            Infra.Add(context._websiteSlotHostNameParameter);
             return (val, secretType);
         }