diff --git a/config/puma.rb b/config/puma.rb
index 8d879ab5c46..d14ae5dd6ca 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -1,8 +1,9 @@
 # First, you need to change these below to your situation.
 APP_ROOT = '/home/discourse/discourse'
+num_worker=ENV["NUM_WEBS"].to_i > 0 ? ENV["NUM_WEBS"].to_i : 4
 
 # Second, you can choose how many threads that you are going to run at same time.
-workers 4
+workers "#{num_workers}"
 threads 8,32
 
 # Unless you know what you are changing, do not change them.
@@ -11,4 +12,4 @@ stdout_redirect "#{APP_ROOT}/log/puma.log","#{APP_ROOT}/log/puma.err.log"
 pidfile "#{APP_ROOT}/tmp/pids/puma.pid"
 state_path "#{APP_ROOT}/tmp/pids/puma.state"
 daemonize true
-preload_app!
\ No newline at end of file
+preload_app!