That's a big topic. For starters I would recommend the following Cisco Live presentation:
BRKSEC-2020 - Firepower NGFW Deployment in the Data Center and Enterprise Network Edge using FTD (2017 Las Vegas)
https://www.ciscolive.com/online/connect/sessionDetail.ww?SESSION_ID=95762
If you have additional questions after that, please ask them with a little more specifics so we can help better.
