cimon configuration for rails project with remote database

.cimon.yml

services:
  rails:
    from: ruby:2.1.2
    cache:
      - /bundle
      - /app/public/assets
      - /app/public/uploads
    build:
      - apt-get update
      - apt-get install -y libqt4-dev pkg-config
      - apt-get install -y nodejs postgresql-client sqlite3
      - apt-get install -y curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev libxml2-dev libxslt-dev
      - gem install bundler

server:
  prepare:
    - bundle install --path /bundle
    - bin/rake assets:precompile
  service: rails
  folder: /app
  cmd: ./bin/rails server -p $PORT
  port: 80
  env:
    - RAILS_ENV=production
    - RACK_ENV=production
    - PORT=80
    - DATABASE_URL=postgres://postgres:mysecretpassword@127.0.0.1:5432/db