#262 added working eureka sample (#333)

samples/OcelotEureka/ApiGateway/Program.cs

@@ -0,0 +1,38 @@
+namespace ApiGateway
+{
+    using Microsoft.AspNetCore;
+    using Microsoft.AspNetCore.Hosting;
+    using Microsoft.Extensions.Configuration;
+    using Ocelot.DependencyInjection;
+    using Ocelot.Middleware;
+
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            BuildWebHost(args).Run();
+        }
+
+        public static IWebHost BuildWebHost(string[] args) =>
+            WebHost.CreateDefaultBuilder(args)
+                .UseUrls("http://localhost:5000")
+                .ConfigureAppConfiguration((hostingContext, config) =>
+                {
+                    config
+                        .SetBasePath(hostingContext.HostingEnvironment.ContentRootPath)
+                        .AddJsonFile("appsettings.json", true, true)
+                        .AddJsonFile($"appsettings.{hostingContext.HostingEnvironment.EnvironmentName}.json", true, true)
+                        .AddJsonFile("ocelot.json")
+                        .AddEnvironmentVariables();
+                })
+                .ConfigureServices(s =>
+                {
+                    s.AddOcelot();
+                })
+                .Configure(a =>
+                {
+                    a.UseOcelot().Wait();
+                })
+                .Build();
+    }
+}