Best Practice for implementing dual APEX applications environment

Question:
We are in the early stages of building an APEX application for Oracle SaaS consumption. The question I wanted to ask you is what would be the best way to deploy this app for production? Would it be easier just to create a new workspace in apex.oraclecorp.com and export the app definition or create a new instance of APEX container? Also, if we were to create a new container then what are all the hardware/middleware required?
Follow up questions:
1. What are you building and for what purpose?
We are building an application for oracle employees (development, operations, and support) to assist in interacting with the CRM Saas environments. Entering bugs, tracking patch level, obtaining relevant environment contacts & urls.
2. Who will be installing this application? Oracle customers? In their own on-premise APEX instances? Oracle Cloud?
For the foreseeable future, there will only be the one internal install for internal use (CRM SaaS Enablement Team, DevOps).
3. What are the database and APEX version requirements you'll have for this application?
We do not have a particular requirement. The latest GA version would be the best candidates.
4. Is it safe to say that there is minimal understanding & experience of APEX on your team?
All we know is self-taught and from forum responses. Part of the problem we face is that we don’t know how to frame the questions in a way they can be understood.
APEX container - By this I mean a fully functional APEX environment where applications can be deployed to.
Use Case - We want to be able to make our Apex app available to the consumer (see above) and also continue to develop new features into that app for use at a later date. We are asking for information about a development model that works well for Apex apps.
Thanks!!

Moved the question to the internal Oracle forum:
http://myforums.oracle.com/jive3/thread.jspa?threadID=1058413

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