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