Allows the credentials to be passed via the environment in order
that the application can create the user on start up.
Change-type: patch
Signed-off-by: Rich Bayliss <rich@balena.io>
NodeJS is installed as `nodejs` in some distros, `node` in others. This ensures we can find either one or fail with a proper error, and also documents that NodeJS is required in the first place.
Fixes: #5
Change-type: patch