Startup.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using SqlSCM.Classes;
using Swashbuckle.AspNetCore.Swagger;

namespace SqlSCM
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
            //services.AddHostedService<TimedHostedService>();
            services.AddSingleton<IManualHostedService, TimedHostedService>();
            //services.AddScoped<IScopedProcessingService, ScopedProcessingService>();


            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new Info { Title = "sql SCM", Version = "v1" });

                // Set the comments path for the Swagger JSON and UI.
                var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
                var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
                c.IncludeXmlComments(xmlPath);
                /*c.AddSecurityDefinition("Bearer", new ApiKeyScheme { In = "header", Description = "Please enter JWT with Bearer into field", Name = "Authorization", Type = "apiKey" });
                c.AddSecurityRequirement(new Dictionary<string, IEnumerable<string>> {
                { "Bearer", Enumerable.Empty<string>() },
                });
                */

            });

            
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, Microsoft.AspNetCore.Hosting.IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                //app.UseHsts();
            }

            app.UseSwagger();
            app.UseSwaggerUI(c =>
            {
                c.SwaggerEndpoint("/swagger/v1/swagger.json", "sql SCM");
            });

            app.UseHttpsRedirection();
            app.UseMvc();
        }
    }
}