创建软件设备的最佳实践？

I have an application that a customer has asked us to package into a software appliance and wanted to find a list of all of the things that I need to consider. Stuff related to choosing the operating system is well-documented, but other aspects such as building usable web consoles, frameworks I should consider (the application is written in Java) and things that I may need to refactor in terms of design are not.I have an application that a customer has asked