Merge pull request #36542 from spk/add-pidfile-option-to-puma-conf

Add pidfile option to puma config template

railties/lib/rails/generators/rails/app/templates/config/puma.rb.tt

@@ -16,6 +16,9 @@ port        ENV.fetch("PORT") { 3000 }
 #
 environment ENV.fetch("RAILS_ENV") { "development" }
 
+# Specifies the `pidfile` that Puma will use.
+pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
+
 # Specifies the number of `workers` to boot in clustered mode.
 # Workers are forked web server processes. If using threads and workers together
 # the concurrency of the application would be max `threads` * `workers`.