diff --git a/AS1024.NetworkQuality.Server/AppJsonSerializerContext.cs b/AS1024.NetworkQuality.Server/AppJsonSerializerContext.cs
new file mode 100644
index 0000000..2454486
--- /dev/null
+++ b/AS1024.NetworkQuality.Server/AppJsonSerializerContext.cs
@@ -0,0 +1,11 @@
+using AS1024.NetworkQuality.Server;
+using System.Text.Json.Serialization;
+
+[JsonSerializable(typeof(ConfigResponse))]
+[JsonSerializable(typeof(Microsoft.AspNetCore.Mvc.ProblemDetails))]
+[JsonSourceGenerationOptions(GenerationMode = JsonSourceGenerationMode.Default,
+    PropertyNamingPolicy = JsonKnownNamingPolicy.SnakeCaseLower)]
+internal partial class AppJsonSerializerContext : JsonSerializerContext
+{
+
+}
\ No newline at end of file
diff --git a/AS1024.NetworkQuality.Server/Program.cs b/AS1024.NetworkQuality.Server/Program.cs
index 2dd50bc..d397b34 100644
--- a/AS1024.NetworkQuality.Server/Program.cs
+++ b/AS1024.NetworkQuality.Server/Program.cs
@@ -1,6 +1,5 @@
 using AS1024.NetworkQuality.Server;
 using System.Text.Json;
-using System.Text.Json.Serialization;
 const string schemeNetQuality = "https";
 var builder = WebApplication.CreateSlimBuilder(args);
 
@@ -101,13 +100,4 @@ app.MapPost("/api/v1/upload", (HttpRequest request, ILogger<Program> logger) =>
     }
 });
 
-app.Run();
-
-[JsonSerializable(typeof(ConfigResponse))]
-[JsonSerializable(typeof(Microsoft.AspNetCore.Mvc.ProblemDetails))]
-[JsonSourceGenerationOptions(GenerationMode = JsonSourceGenerationMode.Default,
-    PropertyNamingPolicy = JsonKnownNamingPolicy.SnakeCaseLower)]
-internal partial class AppJsonSerializerContext : JsonSerializerContext
-{
-
-}
\ No newline at end of file
+app.Run();
\ No newline at end of file