refactor: cleanup puma config (#617)

Currently we've got two slightly different implementations of the same
check/logic, which is silly 😅

Author: G-Rath

variants/backend-base/config/puma.rb

@@ -8,23 +8,17 @@
 min_threads_count = ENV.fetch("RAILS_MIN_THREADS", max_threads_count)
 threads min_threads_count, max_threads_count
 
+rails_env = ENV.fetch("RAILS_ENV", "development")
+
 # Specifies the `worker_timeout` threshold that Puma will use to wait before
 # terminating a worker in development environments.
 #
-worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
+worker_timeout 3600 if rails_env == "development"
 
 port ENV.fetch("PORT", 3000)
 
-rails_env = ENV.fetch("RAILS_ENV", "development")
-
 environment rails_env
 
-if rails_env == "development"
-  # set a generous worker timeout so that the worker isn't killed by puma when
-  # suspended by a debugger
-  worker_timeout(3600)
-end
-
 # Specifies the `pidfile` that Puma will use.
 pidfile ENV.fetch("PIDFILE", "tmp/pids/server.pid")