Upgrade Oracle forms6i & reports6i to 12c or newer and deploy all by WebLogic Server on cloud server. and E-Invoice Saudi Arabia for ZATCA phase 2 in oracle database -- 2

I have Server-Client ERP System designed by Oracle forms6i&reports6i.
My Project has three parts:

1* Upgradeing:
Convert & Upgrade for ERP System (Oracle Forms & Reports) 6i to 12c or higher

2* Move to Cloud:
-Make New Environment in Cloud -for example: Digital Ocean:
-Create Virtual Private Server for Linux OS
-Install Linux OS
-Install Oracle Database
-Create Virtual Private Server for Windows Server OS
-Install WebLogic in Windows Server and make all configuration needed to work by good berformance.
-Copying and Deploying ERP System files into WebLogic Server.

3* E-Invoice phase2 for ZATCA:
Update ERP for E-Invoice Saudi Arabia for ZATCA phase 2

https://www.youtube.com/watch?v=wZKoonKETCE&list=RDCMUC7nt4SKwqLYG9ymuh6PZW9Q&index=6

https://www.youtube.com/watch?v=J-Z5OarPDpU&list=RDCMUC7nt4SKwqLYG9ymuh6PZW9Q&index=2