DEPRECATED, Aug 2020: This is now part of https://damona.readthedocs.io project.
damona install graphviz
A container with graphviz (http://www.graphviz.org/) executables (dot, circo, etc).
This is for Singularity 2.4 at least and is available on singularity-hub
singularity pull --name graphviz.img shub://cokelaer/graphviz4all:v1
Conversion of the dot file into SVG conterpart:
./graphviz.img dot -Tsvg test.dot -o test.svg