Lessons
1A feature request is evidence to investigate60 min read
Turn a vague request into a small test with a decision rule.
- →Separate observed customer problems from proposed features
- →Choose an experiment with a falsifiable outcome
2Choose a small architecture that can change60 min read
Write a decision record for a modular monolith and a credible extraction trigger.
- →Select a simple architecture with explicit change boundaries
3Know the cost of one successful outcome60 min read
Calculate workload cost and set limits that contain an unexpected loop.
- →Calculate cost per useful outcome
- →Set usage and operational limits before launch
4Minimum useful still needs a trust boundary60 min read
Define a pilot slice with access, recovery, and operational ownership.
- →Define a minimum trustworthy product slice
Skills in this course
- 01Separate observed customer problems from proposed featuresSeparate observed customer problems from proposed features.
- 02Choose an experiment with a falsifiable outcomeChoose an experiment with a falsifiable outcome.
- 03Select a simple architecture with explicit change boundariesSelect a simple architecture with explicit change boundaries.
- 04Calculate cost per useful outcomeCalculate cost per useful outcome.
- 05Set usage and operational limits before launchSet usage and operational limits before launch.
- 06Define a minimum trustworthy product sliceDefine a minimum trustworthy product slice.