Microsoft.AspNetCore.Mvc.Versioning は非推奨。代わりに、Asp.Versioning.Http、Asp.Versioning.Mvc.ApiExplorerパッケージを利用する。
// APIのバージョニングの設定
builder.Services.AddApiVersioning(options => {
options.DefaultApiVersion = new ApiVersion(1);
options.ReportApiVersions = true;
options.AssumeDefaultVersionWhenUnspecified = true;
options.ApiVersionReader = ApiVersionReader.Combine(
new UrlSegmentApiVersionReader(),
new HeaderApiVersionReader("X-Api-Version"));
}).AddApiExplorer(options => {
options.GroupNameFormat = "'v'V";
options.SubstituteApiVersionInUrl = true;
});
[ApiController]
[ApiVersion("1")]
[Route("api/v{v:apiVersion}/[controller]")]
public class ExampleController : ControllerBase {