Added Sample Cron Job to check working of Whenever Gem

Dockerfile

@@ -18,7 +18,7 @@ ENV PHANTOMJS_VERSION 2.1.1
 #    > /etc/apt/sources.list
 
 # Install dependencies
-RUN apt-get update -qq && apt-get install -y bundler libmysqlclient-dev ruby-rmagick libfreeimage3 nodejs-legacy npm wget procps cron
+RUN apt-get update -qq && apt-get install -y bundler libmysqlclient-dev ruby-rmagick libfreeimage3 nodejs-legacy npm wget procps cron make
 RUN wget https://github.com/Medium/phantomjs/releases/download/v$PHANTOMJS_VERSION/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -O /tmp/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2; tar -xvf /tmp/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -C /opt ; cp /opt/phantomjs-$PHANTOMJS_VERSION-linux-x86_64/bin/* /usr/local/bin/
 RUN npm install -g bower
 

Makefile

@@ -13,6 +13,8 @@ deploy-container:
 	bash -c "test -e tmp/pids/server.pid && rm tmp/pids/server.pid"
 	docker-compose up -d
 	docker-compose exec -T web bash -c "echo 172.19.0.1 smtp >> /etc/hosts"	
+	docker-compose exec -T web bundle exec whenever --update-crontab
+	docker-compose exec -T web service cron start
 
 install-dev:
 	echo "Installing RubyGems"

app/models/user.rb

@@ -238,16 +238,15 @@ def daily_note_tally(span = 365)
       end
       days
   end
-
 
   def weekly_comment_tally(span = 52)
     weeks = {}
     (0..span).each do |week|
       weeks[span - week] = Comment.select(:timestamp)
-        .where( uid: drupal_user.uid,
-                                          status: 1,
-                                          timestamp: Time.now.to_i - week.weeks.to_i..Time.now.to_i - (week - 1).weeks.to_i)
-        .count
+                            .where( uid: drupal_user.uid,
+                                    status: 1,
+                                    timestamp: Time.now.to_i - week.weeks.to_i..Time.now.to_i - (week - 1).weeks.to_i)
+                            .count
     end
     weeks
   end
@@ -357,15 +356,15 @@ def content_followed_in_period(start_time, end_time)
     tagnames = TagSelection.where(following: true, user_id: uid)
     node_ids = []
     tagnames.each do |tagname|
-      node_ids = node_ids + NodeTag.where(tid: tagname.tid).collect(&:nid)
+      node_ids += NodeTag.where(tid: tagname.tid).collect(&:nid)
     end
 
     Node.where(nid: node_ids)
-        .includes(:revision, :tag)
-        .references(:node_revision)
-        .where("(created >= #{start_time.to_i} AND created <= #{end_time.to_i}) OR (timestamp >= #{start_time.to_i}  AND timestamp <= #{end_time.to_i})")
-        .order('node_revisions.timestamp DESC')
-        .uniq
+      .includes(:revision, :tag)
+      .references(:node_revision)
+      .where("(created >= #{start_time.to_i} AND created <= #{end_time.to_i}) OR (timestamp >= #{start_time.to_i}  AND timestamp <= #{end_time.to_i})")
+      .order('node_revisions.timestamp DESC')
+      .uniq
   end
 
   def social_link(site)

config/schedule.rb

@@ -18,3 +18,12 @@
 # end
 
 # Learn more: http://github.com/javan/whenever
+
+# Cron Job log file
+set :output, "#{Dir.pwd}/public/cron_log.log"
+
+# To simply print date into the log file for checking if cron job is working properly
+every 1.minutes do
+	puts Dir.pwd
+	command "date -u" #This will print utc time every 1 min in log/cron_log.log file
+end