Start with boundaries

Organise software around responsibilities and data ownership. Clear module boundaries help a system evolve without requiring a distributed deployment from day one.

Choose complexity deliberately

Separate services when independent scaling, ownership or release schedules justify the operational cost. Document the tradeoff so the next team can understand it.

Keep delivery repeatable

Automated checks, observable releases and tested recovery paths make change safer. Treat the deployment process as part of the product architecture.

01Understand
02Connect
03Evaluate
04Operate
Discuss your system
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