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2026-01-21//RANT

Your 'Microservices' Are Just a Distributed Monolith

If all your services deploy together, share a database, and cannot function independently, congratulations. You built a monolith with network latency. You made everything worse and called it architecture.

I have seen this pattern so many times it physically hurts. Someone reads the microservices chapter of a software architecture book, gets excited, and spends six months breaking a perfectly functional monolith into 14 services that all call each other synchronously over HTTP. Nothing can handle a request without calling three other services first. A single database sits underneath all of them. And they all deploy at the same time because if you deploy one without the others, everything breaks.

You have added steps to the monolith and raised the AWS bill.

The entire point of microservices is independent deployability. Service A can ship a new feature without coordinating with Service B. If you cannot do this, you do not have microservices. You have a distributed system with all the downsides and none of the benefits.

A shared database couples your services at the data layer. Change a column name and watch five services explode.

With synchronous HTTP calls for every operation, one service going down can leave the entire system returning 500s. You added a network boundary to what used to be a function call. Brilliant.

Coordinated deployments couple the services through their deployment schedule. You are just doing it with Kubernetes instead of a single JAR file.

With microservices, each service owns its data. Communication is primarily asynchronous (events, message queues). Any service can be deployed independently without breaking anything else. Each service can be developed by a team that does not need to coordinate daily with other teams.

If that does not describe your system, you do not have microservices. And that is fine. A well-structured monolith is a perfectly valid architecture. Development and deployment are simpler, and so is debugging.

Stop copying Netflix's architecture when you do not have Netflix's problems. Ship the monolith and make money with it. If parts of the system later need to scale independently, refactor them then.

The Broad Way | Kinho.dev