I'm sort of obsessed about iteration speed. I've written about this in the past and it deserves more posts in the future, but the quick summary is that iteration speed is always going to be the strongest competitive advantage in this industry. There's of course many ways we can iterate faster, but for today let'ys focus on two particular aspects of it: testing and deploying more often.

Erik Bernhardsson

The real value of microservices is not language flexibility, independent scaling, or code organization — it's the ability to test and deploy services independently. Without that capability, splitting a monolith into services adds complexity without the core benefit. The author argues that teams should first establish automated testing and continuous deployment, then split services only when test suite slowness becomes a bottleneck. Common microservice justifications like polyglot stacks or forced modularity are largely marginal benefits.

Missing the point about microservices: it's about testing and deploying independently

98% of microservice benefit is being able to test and deploy independently

Some questionable reasons to consider microservices