Program.cs

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

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews();

// register repository and services as singletons
builder.Services.AddSingleton<ICassandraConnection, CassandraConnection>();
builder.Services.AddSingleton<IUserDAL, UserDAL>();
builder.Services.AddSingleton<IUserCredentialsDAL, UserCredentialsDAL>();
builder.Services.AddSingleton<IVideoDAL, VideoDAL>();
builder.Services.AddSingleton<ILatestVideosDAL, LatestVideosDAL>();
builder.Services.AddSingleton<ICommentDAL, CommentDAL>();
builder.Services.AddSingleton<IRatingDAL, RatingDAL>();

// Configure JWT Authentication
var jwtSettings = builder.Configuration.GetSection("Jwt");
var key = Encoding.UTF8.GetBytes(jwtSettings["Key"]);

builder.Services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(options =>
{
    options.TokenValidationParameters = new TokenValidationParameters
    {
        ValidateIssuer = true,
        ValidateAudience = true,
        ValidateLifetime = true,
        ValidateIssuerSigningKey = true,
        ValidIssuer = jwtSettings["Issuer"],
        ValidAudience = jwtSettings["Audience"],
        IssuerSigningKey = new SymmetricSecurityKey(key)
    };
});

builder.Services.AddAuthorization();

// build
var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseRouting();
app.UseCors("AllowAll");
app.UseAuthentication();
app.UseAuthorization();

app.MapStaticAssets();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}")
    .WithStaticAssets();

app.Run();