Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
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.IdentityModel.Tokens;

namespace RakTDAApi
{
    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)
        {
        
            #region JWT
            services.AddAuthentication(options =>
            {
                options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
                options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
            })
                .AddJwtBearer(configureOptions =>
                {
                    configureOptions.TokenValidationParameters = new TokenValidationParameters
                    {
                        ValidateIssuer = true,
                        ValidateAudience = true,
                        ValidateLifetime = true,
                        ValidateIssuerSigningKey = true,
                        ValidIssuer = Configuration["JWTSettings:Issuer"],
                        ValidAudience = Configuration["JWTSettings:Audience"],
                        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration["JWTSettings:Secretkey"]))
                    };

                    configureOptions.SaveToken = true;

                });
            #endregion

            services.AddCors(options =>
            {
                options.AddPolicy("CorsPolicy",
                    builder => builder.AllowAnyOrigin()
                    .AllowAnyMethod()
                    .AllowAnyHeader());
            }); services.Configure<IISServerOptions>(options =>
            {
                options.MaxRequestBodySize = int.MaxValue;
            });

            services.Configure<FormOptions>(o =>
            {
                o.ValueLengthLimit = int.MaxValue;
                o.MultipartBodyLengthLimit = int.MaxValue;
                o.MultipartBoundaryLengthLimit = int.MaxValue;
                o.MultipartHeadersCountLimit = int.MaxValue;
                o.MultipartHeadersLengthLimit = int.MaxValue;
                o.BufferBodyLengthLimit = int.MaxValue;
                o.BufferBody = true;
                o.ValueCountLimit = int.MaxValue;
            });
            services.AddSingleton<BLL.Common.General>();
            BLL.Common.General.dbConStr = Configuration.GetConnectionString("DBConnection").ToString();
            services.AddControllers();
        }

        // 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();
            }

            #region Static
            app.UseDefaultFiles();
            app.UseStaticFiles();
            #endregion

            app.UseHttpsRedirection();

            app.UseRouting();

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

            app.UseCors("CorsPolicy");

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
            AppDomain.CurrentDomain.SetData("ContentRootPath", env.ContentRootPath);
            AppDomain.CurrentDomain.SetData("WebRootPath", env.WebRootPath);
        }
    }
}