Is it possible to publish an ASP.NET Core 3 project using ContinuaCI?

because having been told we probably cannot use ContinuaCI on a new project because ASP.NET Core 3 cannot be published using msbuild i was searching a while around the net without any success to find either a “no” or a “how to” - can someone please point me to closer information resp. the right direction?

You certainly can publish core 3 apps from Continua CI, using the dotnet publish action - this uses the dotnet cli publish command