workers/iron_mailer.rb

iron_mailer.rb

# We included ActionMailer and our mailer models in the code package 
# in the last step, but we still need to require them in our worker file.
require 'active_support/core_ext'
require 'action_mailer'
require 'models/mailer'

# Parse our config yaml file
config = YAML.load_file("settings.yml")

# A nifty Ruby line to set the AM settings from our loaded yaml file
ActionMailer::Base.smtp_settings = config['sendgrid'].inject({}) { |memo, (k, v)| memo[k.to_sym] = v; memo }

# Since we are building a code package, we need to set the view_path to the 
# working directory in order for ActionMailer to find them.
ActionMailer::Base.view_paths = ['.']

# Deliver the email
Mailer.hello_world('[email protected]').deliver!