passing params to the launcher gem

bin/start

@@ -1,9 +1,11 @@
 #!/bin/bash
-while [ "$RAILS_ENV" = "production" ] && ! curl http://$DB_HOST:5432/ 2>&1 | grep '52'
-do
-  echo "Waiting for postgres to start up ..."
-  sleep 1
-done
+if [ "$RAILS_ENV" = "production" ]; then
+    while ! curl http://$DB_HOST:${DB_PORT:-5432}/ 2>&1 | grep '52'
+    do
+      echo "Waiting for postgres to start up ..."
+      sleep 1
+    done
+fi
 
 bundle exec rake db:create
 bundle exec rake db:migrate