ApiProgram.cs

using MassTransit;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

builder.Services.AddMassTransit(busConfigurator =>
{
    busConfigurator.SetKebabCaseEndpointNameFormatter();
    busConfigurator.UsingRabbitMq((context, busFactoryConfigurator) =>
    {
        busFactoryConfigurator.Host("rabbitmq", hostConfigurator => { });
    });
});

var app = builder.Build();

if (app.Environment.IsDevelopment()) {
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.UseAuthorization();

app.MapControllers();

app.Run();