02 — Capability · BC-1220.30
Progressive Delivery
Expose a change to a small slice of traffic or tenants first, watch it, and widen or withdraw it on evidence, so a bad release reaches few customers and reaches them briefly.
- Canary Releases
- Feature Flags
- Staged Rollout
In scope
- Feature flag lifecycle from creation to removal
- Canary and percentage-based rollouts
- Automated rollback triggers tied to health signals
Out of scope
- Product experiments that measure user behavior (see BC-1260)
Realized by · 0
- No product in the catalog yet.
Used in · 1
Build it · 3
- pattern Blue-Green Deployment via BC-1220.30.40
- pattern Canary Release via BC-1220.30.20
- pattern Feature Flags via BC-1220.30.10
Decomposes into · 4
- BC-1220.30.10Feature Flag ManagementCreate, target and retire flags so unfinished work can ship dark and old flags do not pile up as debt.
- BC-1220.30.20Canary & Ring RolloutRelease to internal users, then a small percentage, then everyone, with a defined dwell time and health check at each ring.
- BC-1220.30.30Rollback & Roll-ForwardReturn to the last good version, or push the fix, within minutes and without data loss, and rehearse doing so.
- BC-1220.30.40Blue-Green & Traffic ShiftingRun two production versions side by side and move traffic between them without downtime.