Program.cs

using System.Text;
using Microsoft.IdentityModel.Tokens;
using Microsoft.AspNetCore.Authentication.JwtBearer;

namespace LiveScoreAPI;

public class Program
{
    public static void Main(string[] args)
    {
        var builder = WebApplication.CreateBuilder(args);

        builder.Configuration.AddJsonFile("appsettings.json");
        var Configuration = builder.Configuration;
                        
        builder.Services.AddAuthentication(options =>
        {
            options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
            options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
        })
        .AddJwtBearer(options =>
        {
            var keyBytes = Encoding.UTF8.GetBytes(Configuration["Jwt:SecretKey"]);
            var issuer = Configuration["Jwt:Issuer"];
            var audience = Configuration["Jwt:Audience"];
            SymmetricSecurityKey key = new(keyBytes);
            options.RequireHttpsMetadata = false;
            options.SaveToken = true;
            options.TokenValidationParameters = new TokenValidationParameters
            {
                ValidIssuer = issuer,
                ValidAudience = audience,
                IssuerSigningKey = key,
                ValidateIssuer = true,
                ValidateAudience = true,
                ValidateLifetime = true,
                ValidateIssuerSigningKey = true,
                ClockSkew = TimeSpan.FromMinutes(2)
            };
        });

        builder.Services.AddControllers();
        // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
        builder.Services.AddEndpointsApiExplorer();
        builder.Services.AddSwaggerGen();

        var app = builder.Build();

        // Configure the HTTP request pipeline.
        if (app.Environment.IsDevelopment())
        {
            app.UseSwagger();
            app.UseSwaggerUI();
        }

        app.UseHttpsRedirection();

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


        app.MapControllers();

        app.Run();
    }
}