Docker: Fix permission with node service by adding node as user

Docker: Fix permission with node service by adding node as user

See: https://github.com/nodejs/docker-node/blob/master/docs/BestPractices.md#non-root-user

Fixes the following error:

glob error:
[Error: EACCES: permission denied, scandir '/root/.npm/_logs'] {
  errno: -13,
  code: 'EACCES',
  syscall: 'scandir',
  path: '/root/.npm/_logs'
}