... user secrets without the package ref?

src/test/Startup.cs

@@ -36,9 +36,14 @@ namespace test
             // Set up configuration sources.
         
             var builder = new ConfigurationBuilder()
-                .AddEnvironmentVariables()
                 .AddJsonFile("appsettings.json")
-                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true);
+                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
+                .AddEnvironmentVariables();
+            if (env.IsDevelopment())
+            {
+                // For more details on using the user secret store see http://go.microsoft.com/fwlink/?LinkID=532709
+                builder.AddUserSecrets();
+            }
             Configuration = builder.Build();
         }