bitwarden/src/Admin/Startup.cs

using System;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

namespace Bit.Admin
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();
            services.Configure<RouteOptions>(options => options.LowercaseUrls = true);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if(env.IsDevelopment())
            {
                app.UseBrowserLink();
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/home/error");
            }

            app.UseStaticFiles();
            app.UseMvcWithDefaultRoute();
        }
    }
}