Devise - Omniauth - FB Auth

Hi folks,

I am trying to add FB authentication to my site, I got it to work
locally, but I keep getting this error every time I push to heroku. I’m
not sure how/what to fix it, I guess it’s coming from this section. I
tried to replace “app_domain” with my domain and it didn’t work. Any
ideas?

Thanks in advance for any help!

I used this tutorial for Devise/Omniauth:
http://sourcey.com/rails-4-omniauth-using-devise-with-twitter-facebook-and-linkedin/

# Email

config.action_mailer.delivery_method = :smtp
config.action_mailer.perform_deliveries = true
config.action_mailer.default_url_options = { :host =>
config.app_domain }
config.action_mailer.smtp_settings = {
address: ‘smtp.gmail.com’,
port: ‘587’,
enable_starttls_auto: true,
user_name: ‘someuser’,
password: ‘somepass’,
authentication => :plain,
domain => ‘somedomain.com
}

Below is the error:

/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/railtie/configuration.rb:95:in
method_missing': undefined method app_domain’ for
#Rails::Application::Configuration:0x00000104f4c630 (NoMethodError)
from
/Users/fatima/Desktop/floo/config/environments/development.rb:45:in
block in <top (required)>' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/railtie.rb:210:in instance_eval’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/railtie.rb:210:in
configure' from /Users/fatima/Desktop/floo/config/environments/development.rb:1:in <top
(required)>’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in
require' from /usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in block in require’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:232:in
load_dependency' from /usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in require’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:594:in
block (2 levels) in <class:Engine>' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:593:in each’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:593:in
block in <class:Engine>' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:30:in instance_exec’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:30:in
run' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:55:in block in run_initializers’
from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:226:in
block in tsort_each' from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:348:in block (2 levels) in each_strongly_connected_component’
from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:418:in
block (2 levels) in each_strongly_connected_component_from' from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:427:in each_strongly_connected_component_from’
from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:417:in
block in each_strongly_connected_component_from' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:44:in each’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:44:in
tsort_each_child' from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:411:in call’
from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:411:in
each_strongly_connected_component_from' from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:347:in block in each_strongly_connected_component’
from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in
each' from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in call’
from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in
each_strongly_connected_component' from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:224:in tsort_each’
from /usr/local/rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:205:in
tsort_each' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:54:in run_initializers’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/application.rb:288:in
initialize!' from /Users/fatima/Desktop/floo/config/environment.rb:5:in <top
(required)>’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in
require' from /usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in block in require’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:232:in
load_dependency' from /usr/local/rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in require’
from /Users/fatima/Desktop/floo/config.ru:3:in block in <main>' from /usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in instance_eval’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in
initialize' from /Users/fatima/Desktop/floo/config.ru:in new’
from /Users/fatima/Desktop/floo/config.ru:in <main>' from /usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in eval’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in
new_from_string' from /usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:40:in parse_file’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:277:in
build_app_and_options_from_config' from /usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:199:in app’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:50:in
app' from /usr/local/rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:314:in wrapped_app’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:130:in
log_to_stdout' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:67:in start’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:81:in
block in server' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in tap’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in
server' from /usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:40:in run_command!’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands.rb:17:in
<top (required)>' from /Users/fatima/Desktop/floo/bin/rails:8:in require’
from /Users/fatima/Desktop/floo/bin/rails:8:in <top (required)>' from /usr/local/rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in load’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in
call' from /usr/local/rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/command.rb:7:in call’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client.rb:26:in
run' from /usr/local/rvm/gems/ruby-2.1.1/gems/spring-1.1.3/bin/spring:48:in <top (required)>’
from
/usr/local/rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/binstub.rb:11:in
load' from /usr/local/rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/binstub.rb:11:in <top (required)>’
from /Users/fatima/Desktop/floo/bin/spring:16:in require' from /Users/fatima/Desktop/floo/bin/spring:16:in <top (required)>’
from bin/rails:3:in load' from bin/rails:3:in

Where is your app_domain defined? This line here config.app_domain is
culprit one.

Try somedomain.com

config.action_mailer.default_url_options = { :host => “somedomain.com” }

Thanks,
Shahroon

Thanks for the help Shahroon - I was able to set it by configuring it in
heroku. Turns out the tutorial I followed has some errors too, which I
was able to resolve with this one:

Ok, great.