Hands-On RESTful Web Services with ASP.NET Core 3

Implementing custom health checks

ASP.NET Core's health check feature is not only suitable for the data source of our service; it can also be used to perform sophisticated and custom health checks. The framework provides the IHealthCheck interface so that we can implement our health check. Let's create a new class called RedisCacheHealthCheck in the HealthCheck folder, inside the Catalog.API project:

using System;using System.Threading;using System.Threading.Tasks;using Microsoft.Extensions.Diagnostics.HealthChecks;using Microsoft.Extensions.Options;using StackExchange.Redis;using Catalog.Domain.Settings;namespace Catalog.API.HealthChecks{    public class RedisCacheHealthCheck : IHealthCheck    {        private readonly CacheSettings _settings;                public ...