Dockerfile

FROM alpine:3.8
ARG LIBSASS_VERSION=3.4.8
ARG SASSC_VERSION=3.4.8

ENV SASS_LIBSASS_PATH "/usr/local/libsass"

RUN apk add --no-cache libstdc++

# Compile and install SassC, without dependency bulk
RUN apk add --no-cache --virtual build-dependencies \
		build-base \
		ca-certificates \
		openssl \
		unzip \
	&& update-ca-certificates \
	&& mkdir -p /usr/local /data \
	&& cd /usr/local \
	&& wget -O libsass.zip "https://github.com/sass/libsass/archive/${LIBSASS_VERSION}.zip" \
	&& wget -O sassc.zip "https://github.com/sass/sassc/archive/${SASSC_VERSION}.zip" \
	&& unzip libsass.zip \
	&& unzip sassc.zip \
	&& mv "sassc-${SASSC_VERSION}" sassc \
	&& mv "libsass-${LIBSASS_VERSION}" libsass \
	&& cd "/usr/local/sassc" \
	&& make \
	&& ln -s /usr/local/sassc/bin/sassc /usr/local/bin/sassc \
	&& rm -fr /usr/local/*.zip \
	&& apk del build-dependencies

# Run SassC by default
ENTRYPOINT ["sassc"]
VOLUME /data
WORKDIR /data