Startup.cs

using System.Linq;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.OpenApi.Models;
using sellnet.Data;
using sellnet.Extensions;
using sellnet.Services;

namespace sellnet
{
    public class Startup
    {
        private readonly IConfiguration _configuration;
        public Startup(IConfiguration configuration)
        {
            _configuration = configuration;
        }
        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllers();
            services.AddCors();
            services.AddScoped<TokenService>();
            services.AddSingleton<UtilityService>();
            services.AddScoped<PhotoService>();
            services.AddMyServices(_configuration);
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "Sellnet", Version = "v1" });
            });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseSwagger();
                app.UseSwaggerUI(c =>
                {
                    c.SwaggerEndpoint("/swagger/v1/swagger.json", "Sellnet v1");
                    c.RoutePrefix = string.Empty;
                });
            }

            app.UseRouting();

            app.UseCors(configurePolicy =>
            {
                configurePolicy.AllowAnyHeader().AllowAnyMethod().AllowAnyOrigin();
            });

            app.UseAuthentication();
            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
                endpoints.MapGet("/", async context =>
                {
                    await context.Response.WriteAsync("Welcome to the Sellnet API!");
                });
            });
            using (var serviceScope = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>().CreateScope())
            {
                using (var context = serviceScope.ServiceProvider.GetService<ApplicationDbContext>())
                {
                    if (context.Database.GetPendingMigrations().Any())
                        context.Database.Migrate();
                }
            }
        }
    }
}