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Draft Case Study

Multi-Environment CI/CD for Angular + .NET + SQL

Distributed teams require reliable release automation across dev, test, and production with clear approvals and rollback strategy.

Azure DevOpsCI/CD.NETSQL

Problem

Distributed teams require reliable release automation across dev, test, and production with clear approvals and rollback strategy.

Architecture

Draft architecture separates app, API, and database pipelines with promotion gates and environment controls.

SourceBuildReleaseDB Deploy
Sanitized flow from commit to staged multi-environment deployments.

Reference/proposed architecture diagram for portfolio demonstration. Not a client production architecture.

Architecture Explorer

Multi-Environment CI/CD: Controlled promotion with quality, security, and approval gates.

Implemented and verified

Data flow: Source commit flows through build and gating stages, then promotes across environments with approval checkpoints.

Accessible alternative: use the component buttons below to inspect architecture details without zoom.

Legend

  • Ingress / Trigger
  • Orchestration
  • Data / Storage
  • Security
  • Observability
  • Operations
  • Source Repository ~> Pipeline Orchestrator (commit trigger)
  • Pipeline Orchestrator -> Quality/Security Gates (validation)
  • Quality/Security Gates -> App Runtime (promotion)
  • Pipeline Orchestrator -> Database Runtime (db release track)
  • App Runtime <-> Database Runtime (runtime dependency)

Component Details

Source Repository

Stores application and infrastructure code.

Responsibilities: Version history | Pull request trigger

Security controls: Branch protection | Review requirements

Dependencies: Pipeline Orchestrator

Design decisions: Template-driven repository standards for repeatable delivery.

Security

Draft security controls include secrets isolation, branch protections, and static analysis integration.

Verified Outcomes

  • Draft: stronger deployment traceability across environments.
  • Draft: improved release reliability through repeatable quality gates.

Interactive Demo

Explore a local technical simulation with deterministic logic, explainable state transitions, and no live cloud integration.

Try Interactive Demo

Design Decisions

  • Keep application and database release tracks coordinated but independently rollback-capable.
  • Introduce environment promotion gates to reduce unsafe direct-to-production pushes.
  • Use shared pipeline templates to enforce quality checks consistently.

Implementation

  • Build reusable pipeline templates for Angular, .NET, and SQL deployment stages.
  • Add validation gates for pull requests, package integrity, and deployment readiness.
  • Implement release orchestration that promotes artifacts across environments with approvals.

Trade-offs

  • Additional approval gates increase release confidence but can add cycle time.
  • Template centralization improves standardization but requires stricter change governance.

Engineering Evidence

Implemented demo evidence

Architecture Evidence

Diagram classification: Implemented and verified

Sanitized data flow: Source commit triggers pipeline orchestration, quality/security gates enforce promotion controls, and staged application/database rollout follows approval checkpoints.

Diagram source id: multi-environment-cicd-angular-dotnet-sql

Linked Demo Routes

Automated Tests and Results

  • Pipeline gating, failure handling, pause/resume, and rollback

    tests/pipeline-simulator.test.ts

  • Architecture explorer rendering and diagram model coverage

    tests/architecture-explorer.test.ts

Latest test run (2026-09-26): Automated tests passed for pipeline simulator logic, AIOps incident lab logic, architecture explorer coverage, project evidence integrity checks, and Landing Zone IaC artifact checks.

Command: node_modules/.bin/tsc.cmd -p tsconfig.test.json && node --test .test-dist/tests/**/*.test.js

Latest build run (2026-09-26): Production build completed successfully with prerendered case-study routes and both interactive demo routes.

Command: node_modules/.bin/next.cmd build

Limitations and Verification Gaps

  • This evidence demonstrates a local deterministic simulator, not a live Azure DevOps pipeline execution.
  • No production deployment logs, environment credentials, or external release integrations are included.

Evidence Pending

  • Manual verification needed for real CI/CD infrastructure execution outside this repository.

Evidence Status

  • Local checks: Local demo logic and unit tests executed in repository.
  • CI checks: Uses repository test/build checks; no external cloud credentials required.
  • Azure deployment: Not performed / Evidence pending.

Reproduction and Dependencies

Dependencies

  • Node.js (current project uses Next.js 16.x, React 19.x, TypeScript 6.x)
  • npm install
  • Local binaries under node_modules/.bin for lint/typecheck/test/build

Reproduction steps

  1. npm install
  2. node_modules/.bin/tsc.cmd -p tsconfig.test.json
  3. node --test .test-dist/tests/**/*.test.js
  4. node_modules/.bin/next.cmd build