ASP.NET Core JWT Function part 2/2

Startup.cs

// appSettings.json
"Jwt": {
    "Key": "secret-key",
    "Issuer": "https://localhost:5000/"
  }


public void ConfigureServices(IServiceCollection services)
  {
      services.AddDbContext<ApplicationDbContext>(options =>
            options.UseNpgsql(Configuration.GetConnectionString("DefaultConnection")));

      services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
         .AddJwtBearer(options =>
         {
             options.TokenValidationParameters = new TokenValidationParameters
             {
                 ValidateIssuer = true,
                 ValidateAudience = true,
                 ValidateLifetime = true,
                 ValidateIssuerSigningKey = true,
                 ValidIssuer = Configuration["Jwt:Issuer"],
                 ValidAudience = Configuration["Jwt:Issuer"],
                 IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration["Jwt:Key"]))
             };
         });

      services.AddMvc(options =>
      {
          options.OutputFormatters.Add(new XmlSerializerOutputFormatter());
      })
      .AddJsonOptions(options =>
      {
          options.SerializerSettings.NullValueHandling = NullValueHandling.Ignore;
          options.SerializerSettings.Formatting = Formatting.Indented;
      });

  }


        public void Configure(IApplicationBuilder app, IHostingEnvironment env,
                              ILoggerFactory loggerFactory, IServiceProvider provider, IConfiguration configuration)
        {
            app.UseAuthentication();
        }