NodeJS image with Alpine Linux

for Docker lightweight containers - image size is about 90 Mb

Building image

docker build -t node .

# add to your Dockerfile
FROM <your docker registry URL>/node:latest

Update this line to install necessary version of NodeJS, npm and Yarn.

# Set env variables
ENV NODE_VERSION="14.8.0" NPM_VERSION="6.14.7" YARN_VERSION="1.22.4"