add some lessons learned
Squashed 'host/' changes from 2bcb170..685c49b

685c49b adding back changes to support digital ocean
15a34fe Merge branch 'master' into fschwiet
5a358f6 update readme

git-subtree-dir: host
git-subtree-split: 685c49b74a44d2ee777ca7afacee65b3edca034e
Merge commit '96b2e6c6b6bc497002099185bfc8040b0ca1bfda' into cumu
Merge branch 'cumu' into release

* cumu:
  Squashed 'host/' changes from 2bcb170..685c49b
  add some lessons learned