• Add the Dockerfile to the root of your static files
• Init the git repository and/or add the remote of your dokku app:

git remote add dokku git@yourdomain.com:appname

• Commit all your changes and the repository

git commit -am Pushing to dokku
git push dokku master

• Optionally, add any extra domains with the domains plugin:

ssh dokku@yourdomain.com domains:add appname domain.com

Find all the available commands and help:

ssh dokku@yourdomain.com