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Elia Corkery

·3 min read
Software

Microservices or Full VMs? Pros, Cons, and Common Architecture Mistakes

We often get asked the same handful of questions when reviewing system architectures - especially from teams wrestling with legacy infrastructure or planning a rebuild:

  • Why are full virtual machines being used instead of microservices?
  • Why split the database across multiple servers?
  • What is automated / manual deployment?

These aren’t just technical decisions but strategic ones. And there’s no single right answer. Architecture choices depend on your team, your product, and your constraints. So, here’s a breakdown of how we approach some of the most common questions - based on real conversations and real problems we’ve solved.

Microservices vs VMs:

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