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Deployment, Release, and Versioning
Deployment, Release, and Versioning Graphics Coverage
Primary chapter graphic: Service Deployment Strategies, Microservice Delivery Practices, Simplified Git Workflow, CI/CD Pipeline, Git Command Flow Cheatsheet, Code to Production Flow, Git vs GitHub, CI/CD Pipeline, Gitflow Branching, Semantic Version Numbers, Git Reset Modes. Accepted graphics: 11. Reviewed non-signal pages: 1. Open graphics in review: 0. QA status lives in graphics audit and visual review ledger.
Corpus pages: p. 24, p. 44-45, p. 110-111, p. 128-129, p. 137-138, p. 160-161, p. 184, p. 290, p. 293, p. 308-309, p. 316-317, p. 328-329, p. 441 Coverage: 21 pages; low-confidence extraction ranges: p. 24, p. 308-309, p. 316-317
This chapter is part of Marius's owned architecture build corpus. The text routes decisions; durable implementation signal is carried by accepted graphics, reviewed non-signal decisions, and the linked QA audit.
Chapter Visuals
Accepted graphics carry the canonical design signal for this chapter. Each selected source page is either accepted as a graphic or explicitly marked non-signal in the source-faithful ledger. Review and QA state live in visual inventory, visual review ledger, and graphics audit.
Service Deployment Strategies
- source-page: p. 160
- batch: 01
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: service-deployment-flow.json
- svg: service-deployment-flow.svg

Microservice Delivery Practices
- source-page: p. 441
- batch: 06
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0441-deployment-release-and-versioning-deployment.json
- svg: bbg-p0441-deployment-release-and-versioning-deployment.svg

Simplified Git Workflow
- source-page: p. 110
- batch: 09
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0110-deployment-release-and-versioning-deployment.json
- svg: bbg-p0110-deployment-release-and-versioning-deployment.svg

CI/CD Pipeline
- source-page: p. 290
- batch: 10
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0290-deployment-release-and-versioning-deployment.json
- svg: bbg-p0290-deployment-release-and-versioning-deployment.svg

Git Command Flow Cheatsheet
- source-page: p. 136
- batch: 12
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0136-web-request-lifecycle-web-request.json
- svg: bbg-p0136-web-request-lifecycle-web-request.svg

Code to Production Flow
- source-page: p. 184
- batch: 12
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0184-deployment-release-and-versioning-deployment.json
- svg: bbg-p0184-deployment-release-and-versioning-deployment.svg

Git vs GitHub
- source-page: p. 44
- batch: 13
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0044-deployment-release-and-versioning-deployment.json
- svg: bbg-p0044-deployment-release-and-versioning-deployment.svg

CI/CD Pipeline
- source-page: p. 308
- batch: 18
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0308-deployment-release-and-versioning-deployment.json
- svg: bbg-p0308-deployment-release-and-versioning-deployment.svg

Gitflow Branching
- source-page: p. 316
- batch: 19
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0316-deployment-release-and-versioning-deployment.json
- svg: bbg-p0316-deployment-release-and-versioning-deployment.svg

Semantic Version Numbers
- source-page: p. 128
- batch: 22
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0128-deployment-release-and-versioning-deployment.json
- svg: bbg-p0128-deployment-release-and-versioning-deployment.svg

Git Reset Modes
- source-page: p. 328
- batch: 25
- status: accepted
- reviewer-status: reviewed
- fidelity-score: 0.9
- spec: bbg-p0328-deployment-release-and-versioning-deployment.json
- svg: bbg-p0328-deployment-release-and-versioning-deployment.svg

Open Review Queue
- none
Reviewed Non-Signal Pages
- Deployment, Release, And Versioning: Workflow + Step Map: source p. 111; batch 32; status non-signal/reviewed; ledger reason in visual-review-ledger.json
Use When
- Code changes must move from development to production with traceability and rollback.
Avoid When
- The artifact is an unpublished experiment without user impact.
Core Model
- Release flow is a control system: build, test, approve, deploy, observe, and recover.
- Prefer explicit ownership over accidental coupling. Every boundary should say who owns correctness, cost, data, recovery, and change.
- Use corpus page pointers for inspection, and keep the chapter notes focused on reusable design decisions.
Implementation Guidance
- Automate repeatable checks, separate deploy from release when risk is high, and keep version semantics clear.
- Write the smallest useful design note: purpose, inputs, outputs, state, failure behavior, observability, and rollback.
- Choose the first implementation that can be tested against the real workflow without hiding a known production risk.
Tradeoffs
- More gates reduce accidental breakage but can slow small safe changes.
- Centralization reduces duplicated work but can become a bottleneck when every team needs exceptions.
- Specialized infrastructure helps at scale, but it must earn its operational cost.
Failure Modes
- Rollback exists in theory but depends on hidden manual steps.
- The diagram shows boxes but not ownership, retry behavior, data freshness, or user-visible failure.
- The system has no proof path for the highest-risk assumption.
Decision Checklist
- Record commit, artifact, environment, migration, owner, smoke test, and rollback command.
- Name the owner, source of truth, timeout, retry policy, and evidence that the path works.
- Add one regression check for the failure mode most likely to recur.
Neutral Automation Examples
- A service ships behind a disabled feature flag, then enables traffic gradually after health checks pass.
- A neutral internal automation starts with fixtures, then adds credentials, permissions, and production scheduling only after the boundary is tested.
- A customer-facing workflow keeps irreversible actions behind explicit approval until metrics show it is safe to automate further.