Server start command to run on Cloud Foundry

lib/tasks/server.rake

@@ -0,0 +1,14 @@
+namespace :server do
+  desc "Runs rails migrations on one instance and starts all instances"
+  task :start => :environment do
+    require "timeout"
+    require "json"
+
+    instance_number = JSON.parse(ENV["VCAP_APPLICATION"])["instance_index"]
+    if instance_number == 0
+      Rake::Task["db:migrate"].invoke
+    end
+
+    exec("bundle exec rails server -p $PORT")
+  end
+end