Generalized logs and mailer (#312)

config/application.rb

@@ -55,19 +55,16 @@ module Greenlight
       config.bigbluebutton_secret_default = "8cd8ef52e8e101574e400365b55e11a6"
 
       # Use standalone BigBlueButton server.
-      config.bigbluebutton_endpoint = ENV["BIGBLUEBUTTON_ENDPOINT"]
-      config.bigbluebutton_secret = ENV["BIGBLUEBUTTON_SECRET"]
-
-      # Fallback to testing credentails.
-      if config.bigbluebutton_endpoint.blank?
-        config.bigbluebutton_endpoint = config.bigbluebutton_endpoint_default
-        config.bigbluebutton_secret = config.bigbluebutton_secret_default
-      end
+      config.bigbluebutton_endpoint = ENV["BIGBLUEBUTTON_ENDPOINT"] || config.bigbluebutton_endpoint_default
+      config.bigbluebutton_secret = ENV["BIGBLUEBUTTON_SECRET"] || config.bigbluebutton_secret_default
 
       # Fix endpoint format if required.
       config.bigbluebutton_endpoint += "api/" unless config.bigbluebutton_endpoint.ends_with?('api/')
     end
 
+    # Specify the email address that all mail is sent from
+    config.email_sender = ENV['EMAIL_SENDER'].present? ? ENV['EMAIL_SENDER'] : "notifications@example.com"
+
     # Determine if GreenLight should enable email verification
     config.enable_email_verification = (ENV['ALLOW_MAIL_NOTIFICATIONS'] == "true")
 

config/environments/development.rb

@@ -28,8 +28,8 @@ Rails.application.configure do
     config.cache_store = :null_store
   end
 
-  # Tell Action Mailer to use smtp server
-  config.action_mailer.delivery_method = :smtp
+  # Tell Action Mailer to use smtp server, if configured
+  config.action_mailer.delivery_method = ENV['SMTP_SERVER'].present? ? :smtp : :sendmail
 
   ActionMailer::Base.smtp_settings = {
     address: ENV['SMTP_SERVER'],

config/environments/production.rb

@@ -54,8 +54,8 @@ Rails.application.configure do
   # Use a different cache store in production.
   # config.cache_store = :mem_cache_store
 
-  # Tell Action Mailer to use smtp server
-  config.action_mailer.delivery_method = :smtp
+  # Tell Action Mailer to use smtp server, if configured
+  config.action_mailer.delivery_method = ENV['SMTP_SERVER'].present? ? :smtp : :sendmail
 
   ActionMailer::Base.smtp_settings = {
     address: ENV['SMTP_SERVER'],

docker-compose.yml

@@ -5,10 +5,15 @@ services:
     entrypoint: [bin/start]
     image: bigbluebutton/greenlight:v2
     container_name: greenlight-v2
-    env_file: env
+    env_file: .env
     restart: unless-stopped
     ports:
       - 5000:80
     volumes:
       - ./db/production:/usr/src/app/db/production
       - ./log:/usr/src/app/log
+#    logging:
+#      driver: $LOG_DRIVER
+#      options:
+#        syslog-address: $LOG_ADDRESS
+#        tag: $LOG_TAG

sample.env

@@ -73,9 +73,11 @@ ALLOW_GREENLIGHT_ACCOUNTS=true
 # Set this to true if you want GreenLight to send verification emails upon
 # the creation of a new account
 #
-# SMTP variables can be configured by following the template:
-#
 #   ALLOW_MAIL_NOTIFICATIONS=true
+#
+# The notifications are sent using sendmail, unless the SMTP_SERVER variable is set.
+# In that case, make sure the rest of the variables are properly set.
+#
 #   SMTP_SERVER=smtp.gmail.com
 #   SMTP_PORT=587
 #   SMTP_DOMAIN=gmail.com
@@ -84,7 +86,6 @@ ALLOW_GREENLIGHT_ACCOUNTS=true
 #   SMTP_AUTH=plain
 #   SMTP_STARTTLS_AUTO=true
 #
-ALLOW_MAIL_NOTIFICATIONS=
 SMTP_SERVER=
 SMTP_PORT=
 SMTP_DOMAIN=
@@ -110,17 +111,24 @@ BRANDING_IMAGE=
 #
 # RAILS_LOG_TO_STDOUT=true
 #
-# When using docker-compose the logs can be sent to an external service like PaperTrail
+# When using docker-compose the logs can be sent to an centralized repository like PaperTrail
 # just by using the built in driver. Make sure to add to docker-compose.yml the next lines:
 #
 #     logging:
-#      driver: syslog
+#      driver: $LOG_DRIVER
 #      options:
-#        syslog-address: "tcp+tls://logs4.papertrailapp.com:[99999]"
-#        tag: greenlight.mydomain.com:v2
+#        syslog-address: $LOG_ADDRESS
+#        tag: $LOG_TAG
 #
-
-# Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
-# It is disabled by default.
+# And set this variables up:
+#
+# LOG_DRIVER=syslog
+# LOG_ADDRESS=udp://logs4.papertrailapp.com:[99999]
+# LOG_TAG=greenlight.example.com:v2
+#
+# Check docker-compose and papertrail documentation for encrypting and
+# protecting access to the log repository.
+# https://docs.docker.com/config/containers/logging/syslog/#options
+# https://help.papertrailapp.com/kb/configuration/encrypting-remote-syslog-with-tls-ssl/
 #
 # ENABLE_SSL=true