Microservices Database vs Modular Monolith
Pick database-per-service when services have genuinely independent lifecycles and your team can stomach eventual consistency — greenfield microservices, polyglot persistence needs, teams that own their schema end-to-end meets developers should consider modular monolith when building applications that need to scale in complexity and team size but don't yet require the overhead of microservices, such as in early-stage startups or projects with uncertain domain boundaries. Here's our take.
Microservices Database
Pick database-per-service when services have genuinely independent lifecycles and your team can stomach eventual consistency — greenfield microservices, polyglot persistence needs, teams that own their schema end-to-end
Microservices Database
Nice PickPick database-per-service when services have genuinely independent lifecycles and your team can stomach eventual consistency — greenfield microservices, polyglot persistence needs, teams that own their schema end-to-end
Pros
- +Skip it for a small team shipping a first product with tangled read patterns; a modular monolith with one shared database gets you 90 percent of the boundary discipline without the operational tax
- +Related to: apache-kafka, postgresql
Cons
- -Specific tradeoffs depend on your use case
Modular Monolith
Developers should consider Modular Monolith when building applications that need to scale in complexity and team size but don't yet require the overhead of microservices, such as in early-stage startups or projects with uncertain domain boundaries
Pros
- +It's particularly useful for scenarios where you want to enforce clean architecture, facilitate independent development by multiple teams on different modules, and potentially ease a future transition to microservices if needed, as seen in e-commerce platforms or enterprise SaaS applications
- +Related to: microservices, clean-architecture
Cons
- -Specific tradeoffs depend on your use case
The Verdict
Use Microservices Database if: You want skip it for a small team shipping a first product with tangled read patterns; a modular monolith with one shared database gets you 90 percent of the boundary discipline without the operational tax and can live with specific tradeoffs depend on your use case.
Use Modular Monolith if: You prioritize it's particularly useful for scenarios where you want to enforce clean architecture, facilitate independent development by multiple teams on different modules, and potentially ease a future transition to microservices if needed, as seen in e-commerce platforms or enterprise saas applications over what Microservices Database offers.
Pick database-per-service when services have genuinely independent lifecycles and your team can stomach eventual consistency — greenfield microservices, polyglot persistence needs, teams that own their schema end-to-end
Disagree with our pick? nice@nicepick.dev