Program.cs

using System.Text;
using carma.Controllers;
using carma.Persistence;
using carma.Services;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllersWithViews();
builder.Services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());
builder.Services.AddDbContext<CarmaDbContext>(options => options.UseSqlServer(builder.Configuration.GetConnectionString("Default")));
builder.Services.AddSingleton<INotificationService, EmailNotificationService>();
builder.Services.Configure<EmailSettings>(builder.Configuration.GetSection("EmailSettings"));
builder.Services.AddCors(
    options =>
{
    options.AddDefaultPolicy(
        builder =>
        {
            builder.AllowAnyOrigin()
                                .AllowAnyHeader()
                                .AllowAnyMethod();
        });
});

builder.Services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(JwtBearerDefaults.AuthenticationScheme, config =>
    {
        config.TokenValidationParameters = new TokenValidationParameters()
        {
            ValidateIssuer = false,
            ValidateAudience = false,
            ValidateLifetime = false,
            ValidateIssuerSigningKey = true,
            ValidIssuer = "ISSUER",
            ValidAudience = "AUDIENCE",
            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("testkeyvalidator-123456789"))
        };
    });
var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    // 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.UseCors();
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();


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

app.MapFallbackToFile("index.html");

app.Run();