NewRelic Deployment for Cloud 66

echo deb http://apt.newrelic.com/debian/ newrelic non-free >> /etc/apt/sources.list.d/newrelic.list
wget -O- https://download.newrelic.com/548C16BF.gpg | sudo apt-key add -
apt-get update
apt-get install newrelic-sysmond
nrsysmond-config --set license_key=YOUR_LICENSE_KEY
/etc/init.d/newrelic-sysmond start

Sample deployment_hook

production:
    first_thing:
      - source: /.cloud66/scripts/install.sh
        destination: /tmp/install.sh
        target: rails
        apply_during: build_only
        run_on: all_servers
        execute: true
        sudo: true

This is now a snippet: https://github.com/cloud66/snippets/blob/master/cloud66/newrelic