Support for disabling "production" flag when running `npm install`

[svennam92]

Opened a discussion here: https://groups.google.com/a/cloudfoundry.org/forum/#!topic/vcap-dev/QXbHOuNXAt8

Currently, when installing the dependencies for a user's Node app, we run this command:
npm install --userconfig $build_dir/.npmrc --production 2>&1 | indent

Seems that it would be valuable to give users the option to disable the "--production" flag so that their "devDependencies" in package.json can be installed. One use case is for developers who want their grunt dependencies installed on production, but it's a hassle because those dependencies are generally under "devDependencies".

Heroku's Node.js bulidpack supports this functionality via NPM_CONFIG_PRODUCTION

I'd be happy to open a PR should we decide to include this support!

[cf-gitbot]

We have created an issue in Pivotal Tracker to manage this. You can view the current status of your issue at: https://www.pivotaltracker.com/story/show/92704788.

[flavorjones]

Hi,

We'll look into this. It's possible that we can merge this in from upstream Heroku; or even that we incompletely merged the feature (I see NPM_CONFIG_PRODUCTION being set in our lib/build.sh, but I don't see it being used).

[svennam92]

Seems to be working now!