by leonelgalan

GitHub Readme.md

Heroku Buildpack: Graphviz

Install Graphviz on Heroku.


This buildpack installs Graphviz to your application slug.

The installed Graphviz versions are:

The Graphviz packages are installed under the /app/heroku-buildpack-graphviz directory, and the Graphviz executables are located in /app/heroku-buildpack-graphviz/usr/bin. The latter directory is added to the PATH.


heroku buildpacks:set https://github.com/weibeld/heroku-buildpack-graphviz.git

See Heroku documentation here.

Usage together with other buildpacks

To use this buildpack together with other buildpacks, use for example:

heroku buildpacks:add heroku/ruby
heroku buildpacks:add https://github.com/weibeld/heroku-buildpack-graphviz.git

See Heroku docmentation here.

You can always check which buildpacks are currently set with:

heroku buildpacks


Verify the installation of Graphviz with:

heroku run dot -V


For development purposes, you can test the buildpack locally with the test.sh script:


This runs the buildpack script in a local Docker container of the Heroku-18 and Heroku-16 stacks.


Licensed under the MIT License. See LICENSE.md file.