Dockerfile which installs Node-SASS in an Alpine Linux image.
https://hub.docker.com/r/blairguk/node-sass-alpine/
docker pull blairguk/node-sass-alpine
docker run blairguk/node-sass-alpine:<NODE_VERSION> node-sass-alpine
docker build -t blairguk/node-sass-alpine:<NODE_VERSION> .
docker push blairguk/node-sass-alpine:<NODE_VERSION> .