Still doing the same as many years ago;

  * a git repo (private on gitlab)
  * markdown editor (desktop, phone)
  * and several means of rendering (pandoc, gollum, etc)

See: http://gbraad.nl/blog/task-management-and-personal-kanban-ho... and http://gbraad.nl/blog/document-generation-using-markdown-and...

I use a container image to generate my resume, my blog, knowledgebase and presentations. All from the same files and workflow...