OpenAPI information

Since there are many .NET versions, the Web API templates reference the Swashbuckle.AspNetCore NuGet package to create an OpenAPI description. Over the years, with later .NET versions, more and more functionality from OpenAPI has been added to ASP.NET Core itself, such as the OpenApiInfo class, which is now part of the Microsoft.OpenApis.Models namespace. Swashbuckle was changed to use the new classes and was also changed to be based on the System.Text.Json serializer instead of Newtonsoft.Json.

Adding OpenAPI documentation

Next, let’s make use of classes from the Microsoft.OpenApis.Models namespace together with Swashbuckle to configure the OpenAPI documentation:

Codebreaker.GameAPIs/Program.cs

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(options =>
{
  options.SwaggerDoc("v3", new OpenApiInfo
  {
    Version = "v3",
    Title = &quot...