How does one initiate cloudflare domain and github webhook?

hI i’M DEPLOYING MY BANK SYSTEM WITH ERPNEXT AND MY WEBSLACK URL HOLDS MY GITLAB REPOSITORY BUT i DON’T KNOW IF LOGIN SIGNUP GOES TO THE MYSQL ON THE REPOSITORY OR THROUGH THE ERPNEXT SYSTEM AND HOLDS MYSQL ACCOUNT DATA THERE I UPLOADED EXCEL SHEETS BUT MY XMI FILE WAS TOO LARGE EVEN ON ENTERPRISE TO INTEGRATE TO ERPNEXT GUYS WHAT SHOULD I DO? ALSO MY CLOUDFLARE DNS IS NOT RETURNING MY ERPNEXT DOMAIN FOR MY COMPANY DOMAIN NAME SAYS THERE IS A TYPO OR CANNOT BE REACHED CAN SOMEONE HELP?