fix: use bind port to avoid conflict

Author: Bulletdev

config/puma.rb

@@ -2,9 +2,8 @@
 
 # Puma configuration file for ProStaff API
 
-# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
 # Bind to 0.0.0.0 to allow external connections (required for Docker/Railway)
-port ENV.fetch('PORT', 3000)
+# Note: Use bind instead of port to avoid double-binding issues
 bind "tcp://0.0.0.0:#{ENV.fetch('PORT', 3000)}"
 
 # Specifies the `environment` that Puma will run in.