ASP.NET Core Tips & Tricks

Configure.cs

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger)
{
  logger.AddConsole(this.Configuration.GetSection("Logging"));
  logger.AddDebug();

  try
  {
    app.UseIISPlatformHandler();

    app.UseDefaultFiles();
    app.UseStaticFiles();

    app.UseMvc();

    ...
  }
  catch (Exception ex)
  {
    app.Run(
      async context =>
        {
          log.LogError($"{ex.Message}");

          context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
          context.Response.ContentType = "text/plain";
          await context.Response.WriteAsync(ex.Message).ConfigureAwait(false);
          await context.Response.WriteAsync(ex.StackTrace).ConfigureAwait(false);
        });
  }
}