Node.js via NVM + yarn installation via official install scripts in Docker

Dockerfile

ENV \
	NVM_VERSION=0.33.11 \
	NODE_VERSION=8.11.3 \
	YARN_VERSION=1.8.0
# Don't use -x here - node/nvm print just too much stuff
RUN set -e; \
	# NVM and a defaut Node.js version
	export PROFILE="$HOME/.profile"; \
	curl -fsSL https://raw.githubusercontent.com/creationix/nvm/v${NVM_VERSION}/install.sh | bash; \
	# Reload profile to load nvm (needed by Yarn installation below)
	. $HOME/.profile; \
	# Yarn
	export YARN_PROFILE="$HOME/.profile"; \
	curl -fsSL https://yarnpkg.com/install.sh | bash -s -- --version ${YARN_VERSION}