Have experience with Ansible, nginx, various scan tools
Just don't put the emphasis on must have tullinge Linux administrator for every day, and other chest of medals aka - you know ansible, docker is able to know how the clusters are able to awk in place to put the log. In the early stages you do not need it. Just to build up experience, solve real problems and simultaneously use popular tools where they are applicable, in one word, do something useful, automate routine stuff scriptui. Be ready to answer yourself the question - why did you do this way and not differently? A constructive response. Not - so all are doing right now / in the manual in the blog Vasana written because Docker.