The year is 2023, and your `compose.yaml` file has grown out of control. Actually, that's not true: your `compose.yaml` files have grown out of control, as every team and microservice seems to have their own that was originally copy-pasted from somewhere else. Don't panic! Let's dive in and learn about override files, `include`, and `extends.` By the end of this talk, you'll be prepared to start modularizing and sharing common parts of your Compose configurations across projects.