Use github rather than gitbox for production cloning
diff --git a/builder/bin/builder.sh b/builder/bin/builder.sh
index ec60f1e..f7ac26a 100755
--- a/builder/bin/builder.sh
+++ b/builder/bin/builder.sh
@@ -50,7 +50,7 @@
     echo
     if [[ "$answer" =~ ^[Yy]$ ]]
     then
-        git clone --single-branch --branch asf-site https://gitbox.apache.org/repos/asf/velocity-site.git velocity-site-prod
+        git clone --single-branch --branch asf-site https://github.com/apache/velocity-site.git velocity-site-prod
     fi
 fi
 if test ! -d velocity-site-prod