Software Engineer
A microservice architecture is about distributing a system across several independently-deployable processes.
This is a story about how our team at Stack Overflow split out a small feature from a monolithic application into its own microservice. We moved the data to a new database, rebuilt the UI as a microfrontend using a new framework, and managed to deploy it without any downtime.
Microservices, a Modular Monolith, or a Big Ball of Mud. This video explains the pros and cons of choosing a distributed system over one big monolith (whether that's a nicely structured Modular Monolith, or just a jumble of spaghetti code).