public class Program

    {

        public static void Main(string[] args)

        {

            CreateWebHostBuilder(args).Build().Run();

        }

        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>

            WebHost.CreateDefaultBuilder(args)

                .UseStartup<Startup>()

                .UseUrls("http://127.0.0.1:5001");

    }

 public void Configure(IApplicationBuilder app, IHostingEnvironment env,IApplicationLifetime applicationLifetime)

        {

            if (env.IsDevelopment())

            {

                app.UseDeveloperExceptionPage();

            }

            app.UseMvc();

            //注册Consul

            //要注册的服务地址

            string ip = "http://127.0.0.1";

            //要注册的服务端口

            string port = "";

            string serviceName = "Values";

            string serviceId = "test123456789";

            using (var consulClient = new ConsulClient(ConsulConfig))

            {

                AgentServiceRegistration asr = new AgentServiceRegistration

                {

                    Address = ip,

                    Port = Convert.ToInt32(port),

                    ID = serviceId,

                    Name = serviceName,

                    //设置服务健康监测的服务，并设置轮询机制

                    //制定定期检测服务状况

                    Check = new AgentServiceCheck

                    {

                        DeregisterCriticalServiceAfter = TimeSpan.FromSeconds(),

                        HTTP = "http://127.0.0.1:5001/api/Health",

                        Interval = TimeSpan.FromSeconds(),

                        Timeout = TimeSpan.FromSeconds()

                    }

                };

                consulClient.Agent.ServiceRegister(asr).Wait();

            }

            applicationLifetime.ApplicationStopped.Register(() => {

                using (var consulClient = new ConsulClient(ConsulConfig))

                {

                    Console.WriteLine("应用退出，开始从Consul注销");

                    consulClient.Agent.ServiceDeregister(serviceId).Wait();

                }

            });

        }

        //Consul-配置委托

        private void ConsulConfig(ConsulClientConfiguration config)

        {

            //数据中心地址

            config.Address = new Uri("http://localhost:8500");

            config.Datacenter = "dc1";

        }

[Produces("application/json")]

    [Route("api/Health")]

    public class HealthController : Controller

    {

       [HttpGet]

       public IActionResult Get()

        {

            Console.WriteLine("健康检查" + DateTime.Now);

            return Content("ok");

        }

    }