Presentation about just one possible way of routing while migrating from a monolith to multi-account.
Originally had more information about Terraform resources, but was simplified to correlate it more with costs.
Wish I had more than few days to think of subject and prepare the whole thing.
But as a first presentation for 50+ engineers it wasn't bad I hope 
November 26th, 2020 https://www.meetup.com/pl-PL/AWS-User-Group-Krakow/events/274384045/