The first lines of each org-mode file must be the following preamble:

#+HUGO_BASE_DIR: ~/src/weblog/
#+HUGO_SECTION: posts

Standard org-mode features like TODO and Tags are expected to work.

This is the first post to be exported using ox-hugo and then uploaded (ab)using Git.

Exporting to markdown and then uploading to the server is a simple

C-c C-e H A

followed by

hugo
git add content public
git commit -m "Commit message"
git push origin master