Linux Shell Tips published a tutorial about installing Node.JS and NPM on Alpine Linux.
How to Install Node.JS and NPM on Alpine Linux
Node.js is an open-source, cross-platform Javascript runtime environment, which was built on Google’s V8 Engine and developed using C++, it is an asynchronous server-side scripting language that executes JavaScript outside a web browser to develop scalable network applications.
How to Install Node.JS and NPM on Alpine Linux