diff --git a/config/puma.rb b/config/puma.rb
index bc2dbc37..a5eccf81 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -21,7 +21,14 @@
 # Workers do not work on JRuby or Windows (both of which do not support
 # processes).
 #
-workers ENV.fetch("WEB_CONCURRENCY") { 3 }
+# workers ENV.fetch("WEB_CONCURRENCY") { 2 }
+
+# Use the `preload_app!` method when specifying a `workers` number.
+# This directive tells Puma to first boot the application and load code
+# before forking the application. This takes advantage of Copy On Write
+# process behavior so workers use less memory.
+#
+# preload_app!
 
 # Allow puma to be restarted by `rails restart` command.
 plugin :tmp_restart