A full-stack developer should know how to monitor servers in the production environment and work with DevOps to create a strategy to keep the system in a highly-available state and, from the architecture level, to make the system horizontally scalable. A full-stack developer should also keep a close eye on the application's performance and know how to troubleshoot performance issues and how to solve them.

In the rest of this book, we will address these skillsets while we create the TaskAgile application.