Flowchart for deployment

To generate the flowchart you need to have ‘blockdiag’ installed.
<http://blockdiag.com/en/blockdiag/introduction.html#setup>
Then, for a png, simply run:
blockdiag filename.diag
For a pdf:
blockdiag -Tpdf filename.diag
For a svg:
blockdiag -Tsvg filename.diag