FROM node:7-alpine

RUN \
	apk add --no-cache \
		gcc \
		g++ \
		musl-dev \
		python \
		openssl \
		curl \
		tar \
		make

RUN npm install npm@5.x \
	&& rm -rf /usr/local/lib/node_modules \
	&& mv node_modules /usr/local/lib \
	&& npm install -g npm@5.x