Install prometheus-net.

src/Imagine.Students.Api/Imagine.Students.Api.csproj

@@ -6,6 +6,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Bogus" Version="33.0.2" />
+		<PackageReference Include="prometheus-net.AspNetCore" Version="4.1.1" />
 		<PackageReference Include="Scrutor" Version="3.3.0" />
 		<PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3" />
 	</ItemGroup>

src/Imagine.Students.Api/Startup.cs

@@ -5,6 +5,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.OpenApi.Models;
+using Prometheus;
 
 namespace Imagine.Students.Api
 {
@@ -33,20 +34,22 @@ public void ConfigureServices(IServiceCollection services)
 		// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
 		public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
 		{
+			app.UseRouting();
+			app.UseHttpMetrics();
+
 			if (env.IsDevelopment())
 			{
 				app.UseDeveloperExceptionPage();
 				app.UseSwagger();
 				app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "Imagine.Students.Api v1"));
 			}
 
-			app.UseRouting();
-
 			app.UseAuthorization();
 
 			app.UseEndpoints(endpoints =>
 			{
 				endpoints.MapControllers();
+				endpoints.MapMetrics();
 			});
 		}
 	}