If you are an ArcMap user, and you have experience publishing a geoprocessing service, you will find this functionality makes your transition to ArcGIS Pro easier. Also, if you have an ArcGIS Server rather than ArcGIS Enterprise, you can start to publish your analysis to your ArcGIS Server from ArcGIS Pro.
As an alternative to following this blog, you can read the ArcGIS Pro help topic Quick tour of authoring and sharing geoprocessing services from ArcGIS Pro.
Publish a geoprocessing service from ArcGIS Pro – Share analysis (esri.com)