Release

Outcome: Change running in production (or next environment) — with audit trail, rollback path, and tier-appropriate approval.

Goals

• CI/CD with scan stages before deploy
• Staging validation + PO sign-off where required
• Progressive prod rollout (canary / blue-green)
• Metric gate before full promotion

Key roles

Role	Accountable for
SRE	Pipeline, deploy approval (T1), rollback
ARCH	T1 deploy consult
PO	Staging behavior acceptance

→ DevOps perspective · Product manager perspective

Decision guides

• CI/CD & release
• Runtime on AWS
• Identity, access & secrets (CI OIDC, deploy roles)

Topic deep dives

• CI/CD & observability

Reference SOPs

SOP	Procedure
SOP-006	Release & deploy

Tier gates (summary)

Tier	Prod deploy
T1	SRE + ARCH approval, manual gate
T2–T3	Automated after metric gate

See GOVERNANCE for full tier model.

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