Dynamic mailer configuration

config/chexpire.example.yml

@@ -12,5 +12,9 @@ development:
   <<: *default
   host: "chexpire.local"
 
+production:
+  action_mailer_config:
+    delivery_method: :sendmail
+
 # test configuration included in file used by CI services
 <%= IO.read Rails.root.join("config", "chexpire.test.yml") %>

config/environments/development.rb

@@ -44,6 +44,10 @@ Rails.application.configure do
 
   config.action_mailer.default_url_options = { host: config.chexpire.fetch("host"), port: 3000 }
 
+  config.chexpire.fetch("action_mailer_config", {}).each_pair do |key, value|
+    config.action_mailer[key] = value
+  end
+
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
 

config/environments/production.rb

@@ -65,10 +65,12 @@ Rails.application.configure do
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
   # config.action_mailer.raise_delivery_errors = false
-  config.action_mailer.default_url_options = { host: 'chexpire.evolix.org' }
-
   config.action_mailer.default_url_options = { host: config.chexpire.fetch("host") }
 
+  config.chexpire.fetch("action_mailer_config", {}).each_pair do |key, value|
+    config.action_mailer[key] = value
+  end
+
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).
   config.i18n.fallbacks = true

config/environments/staging.rb

@@ -67,6 +67,9 @@ Rails.application.configure do
   # config.action_mailer.raise_delivery_errors = false
 
   config.action_mailer.default_url_options = { host: config.chexpire.fetch("host") }
+  config.chexpire.fetch("action_mailer_config", {}).each_pair do |key, value|
+    config.action_mailer[key] = value
+  end
 
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).