Environment Deployment Traceability Review

Intent

Ensure environments have an explicit, reviewable record of what component versions/tags are deployed, enabling auditability and reliable rollbacks.

When to Use

• Before and after deployments to any environment
• During incident response or rollback planning
• During compliance or audit reviews

Precondition Failure Signal

• Environment state cannot be expressed as component versions/tags
• Deployments are not tied to immutable release identifiers
• Rollbacks require guesswork or manual archaeology
• Multiple versions appear deployed without clear explanation

Postcondition Success Signal

• Environment state lists each deployed component version and tag
• Deployments are traceable to immutable release inputs
• Rollback candidates are identifiable and verifiable
• Traceability records are reproducible from source-of-truth artifacts

Process

1. Source Review: Inspect the current environment state, deployment records, and source control tags.
2. Implementation: Ensure deployment tools and records correctly capture and link component versions and tags.
3. Verification: Perform an audit of an environment to prove it can be mapped back to specific source versions and tags.
4. Documentation: Maintain a registry or record of environment versions; use an ADR if the traceability mechanism is changed.
5. Review: Release Manager/SRE and Platform Engineer review the traceability mechanisms and records.

Example Test / Validation

• For an environment, produce a component→version→tag mapping and verify it matches reality (conceptually)
• Select a deployed version and verify the tag identifies the source state
• Demonstrate rollback selection using recorded versions/tags

Common Red Flags / Guardrail Violations

• “We’ll track it in a spreadsheet”
• Deploying without tagging because “it’s only dev”
• Allowing mutable references (“latest”, “main”) in deployments
• Inconsistent component naming/versioning across environments

Recommended Review Personas

• Platform/DevOps Engineer – validates traceability mechanisms and records
• Tech Lead – validates alignment to release discipline and scope
• Security/Compliance Reviewer – validates provenance and audit needs

Skill Priority

P0 – Safety & Integrity

Conflict Resolution Rules

• Overrides all lower-priority skills
• No environment promotion without traceability evidence unless escalated
• Traceability cannot be traded for speed

Conceptual Dependencies

• release-tagging-plan
• incremental-deployment

Classification

Core
Governance

Notes

Traceability is a system property. If it’s optional, it won’t exist when needed.