Ocelot/samples/OcelotEureka/ApiGateway/Program.cs

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", false, false)
                        .AddEnvironmentVariables();
                })
                .ConfigureServices(s =>
                {
                    s.AddOcelot();
                })
                .Configure(a =>
                {
                    a.UseOcelot().Wait();
                })
                .Build();
    }
}