root@84524667597f:/var/www# npm run build-dev

> sig-frontend@0.1.0 build-dev /var/www
> webpack --config webpack.config.dev.js

/usr/bin/env: ‘node’: No such file or directory

npm ERR! Linux 4.10.6-1-ARCH
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "run" "build-dev"
npm ERR! node v4.2.6
npm ERR! npm  v3.5.2
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn
npm ERR! sig-frontend@0.1.0 build-dev: `webpack --config webpack.config.dev.js`
npm ERR! spawn ENOENT
npm ERR!
npm ERR! Failed at the sig-frontend@0.1.0 build-dev script 'webpack --config webpack.config.dev.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the sig-frontend package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     webpack --config webpack.config.dev.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs sig-frontend
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls sig-frontend
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /var/www/npm-debug.log