dj-nitehawk

[HttpGet("publish"), AllowAnonymous]
sealed class MyEndpoint : EndpointWithoutRequest
{
    public override async Task HandleAsync(CancellationToken c)
    {
        var evnt = new MyEvent { Message = "hello!" };
        await PublishAsync(evnt);
        await SendAsync("all good!");
    }
}

dj-nitehawk

var bld = WebApplication.CreateBuilder(args);
bld.Services
   .SwaggerDocument()
   .AddFastEndpoints();

var app = bld.Build();
app.UseFastEndpoints(
       c =>
       {
           c.Errors.UseProblemDetails();

dj-nitehawk

using Testcontainers.MongoDb;

public class Sut : AppFixture<Program>
{
    const string Database = "TestingDB";
    const string RootUsername = "root";
    const string RootPassword = "password";

    MongoDbContainer _container = null!;

dj-nitehawk

app.UseSwaggerGen(
       s =>
       {
           //where to serve swagger.json files from
           s.Path = "/PREFIX/swagger/{documentName}/swagger.json";

           //api endpoint server base path customization
           s.PostProcess = (document, request) =>
                           {
                               document.Servers.Clear();

dj-nitehawk

var bld = WebApplication.CreateBuilder(args);
bld.Services
   .AddFastEndpoints()
   .SwaggerDocument();

var app = bld.Build();
app.UseFastEndpoints()
   .UseSwaggerGen();
app.Run();

dj-nitehawk

[
    JsonPolymorphic(TypeDiscriminatorPropertyName = "_t"),
    JsonDerivedType(typeof(MultiChoiceQuestionRequest), "mcq"),
    JsonDerivedType(typeof(RatingQuestionRequest), "rq")
]
public class BaseQuestionRequest
{
    public int Id { get; set; }
}

dj-nitehawk

sealed class MyRequest
{
    public int Id { get; set; }
}

public sealed class MyCommand : ICommand<int>
{
    public string Identity { get; set; }
}

dj-nitehawk

internal sealed class AddCustomHeader : IOperationProcessor
{
    public bool Process(OperationProcessorContext context)
    {
        var hdrParameter = new OpenApiParameter()
        {
            Name = "x-custom",
            Kind = OpenApiParameterKind.Header,
            IsRequired = true,
            Type = JsonObjectType.String,

dj-nitehawk

var bld = WebApplication.CreateBuilder();
bld.Services
   .AddFastEndpoints()
   .SwaggerDocument(o =>
   {
       o.DocumentSettings = s =>
       {
           s.DocumentName = "Initial Release";
           s.Version = "v0";
       };

dj-nitehawk

public class BaseRequest
{
    public string? Id { get; init; }
}

public class BaseRequestValidator : Validator<BaseRequest>
{
    public BaseRequestValidator()
    {
        RuleFor(x => x.Id)