Heroku and how it ignores your database.yml

gistfile1.txt

saasbook@saasbook:~/LocalSupport$ heroku run bash
Running bash attached to terminal... up, run.9534
~ $ cat config\database.yml
cat: configdatabase.yml: No such file or directory
~ $ ls
app    config     db        Gemfile	     log       README	  spec	vendor
autotest  config.ru  doc       Gemfile.lock  public    README.md  test
bin	  COPYING    features  lib	     Rakefile  script	  tmp
~ $ cd config
~/config $ database.yml
bash: database.yml: command not found
~/config $ vi database.yml
bash: vi: command not found
~/config $ cat database.yml
<%

require 'cgi'
require 'uri'

begin
  uri = URI.parse(ENV["DATABASE_URL"])
rescue URI::InvalidURIError
  raise "Invalid DATABASE_URL"
end

raise "No RACK_ENV or RAILS_ENV found" unless ENV["RAILS_ENV"] || ENV["RACK_ENV"]

def attribute(name, value, force_string = false)
  if value
    value_string =
      if force_string
        '"' + value + '"'
      else
        value
      end
    "#{name}: #{value_string}"
  else
    ""
  end
end

adapter = uri.scheme
adapter = "postgresql" if adapter == "postgres"

database = (uri.path || "").split("/")[1]

username = uri.user
password = uri.password

host = uri.host
port = uri.port

params = CGI.parse(uri.query || "")

%>

<%= ENV["RAILS_ENV"] || ENV["RACK_ENV"] %>:
  <%= attribute "adapter",  adapter %>
  <%= attribute "database", database %>
  <%= attribute "username", username %>
  <%= attribute "password", password, true %>
  <%= attribute "host",     host %>
  <%= attribute "port",     port %>

<% params.each do |key, value| %>
  <%= key %>: <%= value.first %>
<% end %>
~/config $