Health Checks in ASP.NET Core: Beyond the Basic /health Endpoint

The content you've shared is a detailed guide on implementing health checks in an ASP.NET Core application, specifically tailored for use with Kubernetes. Below are the key points and steps outlined:

1. Adding Health Checks to Your Application

To integrate health checks into your ASP.NET Core app, start by adding the Microsoft.AspNetCore.Diagnostics.HealthChecks package via NuGet or .NET CLI.

bash
 
1dotnet add package Microsoft.AspNetCore.Diagnostics.HealthChecks

Then configure health checks in your application's startup code:

• Configure Services:

  csharp
   
  1public void ConfigureServices(IServiceCollection services)
  2{
  3    // Add other service configurations here
  4
  5    services.AddHealthChecks();
  6}

• Map Health Checks Endpoint:

  csharp
   
  1public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
  2{
  3    if (env.IsDevelopment())
  4    {
  5        app.UseDeveloperExceptionPage();
  6    }
  7
  8    // Map health checks to a specific endpoint
  9    app.MapHealthChecks("/healthz", new HealthCheckOptions()
  10    {
  11        Predicate = _ => true,
  12        ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse
  13    });
  14
  15    app.UseRouting();
  16
  17    // Other middleware configurations
  18
  19    app

Read the full article at DEV Community

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