What is the best approach to follow to be able to deploy my (Team site & my Community site) site collections , from my development machine to my UAT environment.

I have SharePoint 2013 server + sql server 2008 r2 inside my development and UAT environments. Currently inside my development environment I did the following main tasks:-

1. I have created a new sharePoint Application that sues NTL authentication, and which does not allow anonymous login (no login page).
2. I have created a new Team site collection named “Intranet” under the default managed path for the new SP application. http://sharepointdev/sites/Intranet/_layouts/15/start.aspx#/
3. I have created a new managed path named “discussionforum”.
4. I have created a new Community site collection under the new managed path:- http://sharepointdev/discussionforum/GeneralDiscussion/_layouts/15/start.aspx#/

1. Next step is that I added the following App parts to my team site home page:-
   1. Document library.
   2. Announcements.
   3. Prompted links.
   4. Content editor web part.
   5. 4 calendars that are overlayed.

I have finished my development, and now I need to transfer all my above work from my development machine to my UAT machine? So how I can do this?

Regards