Is Microservices a good choice ?

Context

I work on a big 10 year old application (500k blocs of code) with some really bad choices:

No unit tests
an Anemic architecture
But in a great company:
A QA team who test regressions
A small team (5 dev only)
Times to make clean …


This content originally appeared on DEV Community and was authored by Benjioe

Context

I work on a big 10 year old application (500k blocs of code) with some really bad choices:

  • No unit tests
  • an Anemic architecture But in a great company:
  • A QA team who test regressions
  • A small team (5 dev only)
  • Times to make clean code
  • A project of rewriting the application with new technologies As you imagine, the QA teams are a big bottleneck and everything that can reduce test regression is good.

The rewriting

With rewriting the CTO wants :

  • unit tests :)
  • A Microservices architecture with :
    • One service by feature with duplications between services
    • A single database
    • A single repository, but one makefile by service

What's I think

I agree that Microservice can avoid regression, but I think it's too complicated. I don't want to have to manage database conflicts or update 200 services each time I change the database...
My guess is, with:

  • Unit tests
  • Open/Close principle
  • DDD
  • And maybe SOA (1 service by bound context) We can almost avoid regressions and it will be a better start if we really need microservices. What do you think?


This content originally appeared on DEV Community and was authored by Benjioe


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