Scaling a Monolith Horizontally

How do you scale a monolith? Scale-up? Scale-out? A monolith doesn’t need to be a big ball of mud! Monoliths with well-defined boundaries that are loosely coupled, you have a lot of options for scaling. With well-defined boundaries, you can scale out each boundary independently, including the database. Boundaries within a system are so important, regardless of Monolith or (micro)Services, and give you more options for scaling.