Program.cs

using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.IdentityModel.Tokens;
using Microsoft.AspNetCore.Mvc;
using System.Text;
using Week4Lab.Controllers;
using Week4Lab.Repositories;
using Week4Lab.Utilities;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllers();
builder.Services.AddControllers(options => options.Filters.Add<ExceptionFilter>());

//JWT Implementation
string jwtSecret = "pa$$w0rdSup3rSekret@!1472356a-z.Z-A<>XyZ";

builder.Services.AddScoped<AuthController>(provider => new AuthController(jwtSecret));

builder.Services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(options =>
{
    options.TokenValidationParameters = new TokenValidationParameters
    {
        ValidateIssuer = false,
        ValidateAudience = false,
        ValidateLifetime = true,
        ValidateIssuerSigningKey = true,
        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSecret))
    };
});

//Initializes the data persistence interface and class to interact with the CRUD API.
builder.Services.AddScoped<IVideoGameRepository, VideoGamePersistence>();
builder.Services.AddScoped<IUserRepository, UserPersistence>();
builder.Services.AddScoped<UserValidator>();

// 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();