drinkrate/DrinkRateAPI/Program.cs

using DrinkRateAPI.AuthorizationPolicies;
using DrinkRateAPI.Contexts;
using DrinkRateAPI.DbEntities;
using DrinkRateAPI.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.OpenApi.Models;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddAuthorizationBuilder()
    .AddPolicy("AdminOnly", policy =>
        policy.Requirements.Add(new AdminOnlyRequirement()));
builder.Services.AddIdentityApiEndpoints<DbApplicationUser>()
    .AddEntityFrameworkStores<ApplicationDbContext>();
builder.Services.AddScoped<UserManager<DbApplicationUser>, UserWithProfileManager>();
builder.Services.AddScoped<IAuthorizationHandler, AdminOnlyHandler>();

builder.Services.AddSwaggerGen(c =>
{
    c.SwaggerDoc("v1", new OpenApiInfo { Title = "You api title", Version = "v1" });
    c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
    {
        Description = @"JWT Authorization header using the Bearer scheme. \r\n\r\n 
                    Enter 'Bearer' [space] and then your token in the text input below.
                    \r\n\r\nExample: 'Bearer 12345abcdef'",
        Name = "Authorization",
        In = ParameterLocation.Header,
        Type = SecuritySchemeType.ApiKey,
        Scheme = "Bearer"
    });

    c.AddSecurityRequirement(new OpenApiSecurityRequirement()
    {
        {
            new OpenApiSecurityScheme
            {
                Reference = new OpenApiReference
                {
                    Type = ReferenceType.SecurityScheme,
                    Id = "Bearer"
                },
                Scheme = "oauth2",
                Name = "Bearer",
                In = ParameterLocation.Header,
            },
            new List<string>()
        }
    });
});

builder.Services.AddDbContext<ApplicationDbContext>();
builder.Services.AddScoped<ApplicationUserService>();
builder.Services.AddScoped<UserProfileService>();

var app = builder.Build();

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

app.MapIdentityApi<DbApplicationUser>();

app.UseHttpsRedirection();

app.UseAuthorization();

app.MapControllers();

app.Run();