Run Compass and Susy in a Docker container.
Compass is launch automatically and watching the sass working directory.
You can use this image with compose, but you can play it if you want.
You will need to configure the 3 volumes path :
Exemple with compose :
compass: image: hippocampe/compass restart: always volumes: - ./<path>/<to>/<config.rb>:/input - ./<path>/<to>/<stylesheets>:/output - ./<path>/<to>/<images>:/images
Docker Pull Command