diff --git a/src/cartservice/NuGet.config b/src/cartservice/NuGet.config
new file mode 100644
index 0000000000..adcb2a925f
--- /dev/null
+++ b/src/cartservice/NuGet.config
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+    <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
+  </packageSources>
+  <disabledPackageSources />
+</configuration>
diff --git a/src/cartservice/src/Program.cs b/src/cartservice/src/Program.cs
index 3006cb6717..19c433f9b5 100644
--- a/src/cartservice/src/Program.cs
+++ b/src/cartservice/src/Program.cs
@@ -12,19 +12,22 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.Extensions.Hosting;
-using Microsoft.AspNetCore.Builder;
-using cartservice.cartstore;
 using System;
+
+using cartservice.cartstore;
+using cartservice.services;
+
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
+using Microsoft.Extensions.Hosting;
+
+using OpenTelemetry.Extensions.Docker.Resources;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
-using OpenTelemetry.Extensions.Docker.Resources;
 using OpenTelemetry.Trace;
-using cartservice.services;
-using Microsoft.AspNetCore.Http;
 
 var builder = WebApplication.CreateBuilder(args);
 string redisAddress = builder.Configuration["REDIS_ADDR"];