It will be updated soon with more information.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33345 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/README.Debian.Package.txt

+Debian ERP5 Appliance
+---------------------
+As ERP5 Appliance is not relocatable itself yet, building packages
+requires to build them in same structure like they would be installed.
+So to have /opt/erp5/9.9.9 build have to be done in such directory. This
+is known limitation and affects both builds - RPM and DEB.
+
+How to build debian package
+---------------------------
+Checkout: https://svn.erp5.org/repos/public/erp5/trunk/buildout
+
+For example:
+  svn co https://svn.erp5.org/repos/public/erp5/trunk/buildout ~/buildout
+
+Run make inside:
+  cd ~/buildout
+  make debian-appliance PACKAGE_VERSION=001
+