Your question is Zero-Downtime Monolith to Microservices. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Describe your approach to migrating a legacy, on-premises monolithic application to a cloud-native microservices architecture without downtime at Information Technology Senior Management Forum.