Queries regarding the installation of plone6

I followed the installation guide of plone 6 through docker and both the localhost are running ,do i need to follow the installation guide given in the plone 6 training website??

Yes, you need follow installation guide in training website, there are many thing like cookiecutter and plane/volto-generator, and all this has to be done in a virtual environment of python3. (python3 -m venv .venv)