Building a health report for your API

Let’s leverage the powerful ASP.NET Core Health Check middleware to monitor and report on the health of our API. In this recipe, we will utilize the Health Check middleware, enhanced with a custom JSON report to provide detailed insights into our API’s critical components and dependencies, such as database connectivity. Additionally, we will override HTTP status codes to alert us to potential issues, such as degraded performance, ensuring our API remains robust and reliable.

Getting ready

Clone the starter project we are going to work with here: https://github.com/PacktPublishing/ASP.NET-9-Web-API-Cookbook/tree/main/start/chapter04/HealthCheck

How to do it…

1. In your terminal, install the required NuGet packages:

   dotnet add package Microsoft.Extensions.Diagnostics.HealthChecks

2. Open the Program.cs file and import the HealthChecks diagnostics library we are going to work with:

   using Microsoft.Extensions.Diagnostics...