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Staged Rollout
Table of Contents
Ship to a small slice first so rollback stays cheap if the new state bleeds.
Key Concept
- Full-blast deploy turns every user into a test subject.
- Staged rollout - preview branch, one table section, scrimmage Tuesday - keeps Reversibility real.
- Safety by Design at release time: harm hits fewer people before you commit the whole lane.
Level 1 - Recognize
Staged rollout means shipping to a small slice first so rollback stays cheap if the new state bleeds.
Level 2 - Explain
Full-blast deploy turns every user into a test subject - harm spreads before anyone can turn back.
Level 3 - Use
Run the new inbound on scrimmage Tuesday before Friday's game - preview branch before main.
Level 4 - Connect
Because blast radius sets undo cost, Reversibility stays real when harm hits fewer people first.
Level 5 - Create
Architect Safety by Design at release time - one table section, one scrimmage night, then commit the whole lane.
Examples
- Cloudflare preview branch caught the broken layout before main - glad rollback was not touching production.
- New inbound play ran in scrimmage Tuesday before Friday's game - point guard reverted to last week's call at halftime without reinventing.
Note Relationships
| Relationship | Wikilink | Reason |
|---|---|---|
| alternative | Practice Small Experiments | Controlled slice when micro-trials are too small for the risk |
| alternative | Preparedness | Rehearse on a slice vs rehearse the undo drill on paper |
| contradicts | Ship It | when blasting to everyone beats waiting for the small-slice signal |
| extends | Reversibility | Small blast radius makes undo cheap |
| extends | Risk Management | Limit exposure before you bet the whole lane |
| extends | Rollback Principle | Staged slice is where you practice undo before everyone's affected |
| extends | Safety by Design | Fewer people hit before the hazard is proven safe |
| implements | Free Tier Hosting Stack | PR preview deploy before Pages merges to main |
