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feat: FAANG-grade architecture transformation — Phase 1 Foundation
Architecture: - 8 shared platform libraries (pkg/): logger, tracer, circuit breaker, retry, middleware (JWT/rate-limit/CORS), health probes, config, event framework - 3 new proto definitions: payment (PCI-DSS tokenization), cart (Redis-backed), inventory (soft reservation with 15-min TTL) - Kafka event framework with CloudEvents, saga choreography, outbox pattern Infrastructure: - Terraform IaC: VPC (multi-AZ + PCI-DSS CDE subnet), ECR repos, remote state - Kubernetes Helm charts: deployments, HPA auto-scaling, network policies (zero-trust), Pod Disruption Budgets (N+2 redundancy) - ArgoCD GitOps application with auto-sync and drift detection - Docker Compose: full platform stack (8 services + Kafka + observability) CI/CD: - GitHub Actions CI: lint, build, test (80% coverage gate), SAST (Semgrep), container scan (Trivy), ECR push - GitHub Actions CD: staging deploy, k6 load test, canary production rollout Observability: - Prometheus scrape configs (15s refresh per BRD NFR-OBS-003) - SLO burn-rate alerting rules (Google SRE model) - Jaeger distributed tracing, Grafana dashboards, Loki log aggregation Documentation: - ADR-001: Event-driven architecture with Kafka and Saga pattern - Architecture diagrams: C4 system, saga sequence, deployment topology (Mermaid) - Incident response runbook: P0/P1 procedures, post-mortem template, error budget Testing: - k6 load test validating BRD KPIs (checkout P99 < 200ms, API P99 < 100ms) - Chaos Mesh experiments: DB partition, pod kill, Kafka broker failure BRD Sections Addressed: 3.1-3.5, 4.1-4.4, 6.1-6.4, 7.1-7.5, 8.1-8.5, 10.1-10.4, 12.1-12.3, 15.2
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‎.github/workflows/cd.yml‎

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# GitHub Actions CD Pipeline — Progressive Delivery
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# BRD Section 8.4: Blue-green deploy with automated canary analysis
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# Traffic shift: 5% → 20% → 50% → 100%
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# Auto-rollback on error rate > 0.5% or P99 > SLO for 2 min
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name: CD Pipeline
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on:
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workflow_run:
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workflows: ["CI Pipeline"]
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types: [completed]
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branches: [main]
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env:
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AWS_REGION: us-east-1
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EKS_CLUSTER: ecommerce-platform
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HELM_CHART_PATH: kubernetes/helm/ecommerce-platform
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jobs:
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# ============================================================
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# Stage 1: Deploy to Staging
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# ============================================================
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staging:
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name: "Deploy to Staging"
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runs-on: ubuntu-latest
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if: ${{ github.event.workflow_run.conclusion == 'success' }}
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environment: staging
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steps:
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- uses: actions/checkout@v4
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- name: Configure AWS credentials
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uses: aws-actions/configure-aws-credentials@v4
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with:
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aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
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aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
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aws-region: ${{ env.AWS_REGION }}
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- name: Update kubeconfig
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run: aws eks update-kubeconfig --name ${{ env.EKS_CLUSTER }}-staging
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- name: Helm upgrade (staging)
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run: |
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helm upgrade --install ecommerce-platform ${{ env.HELM_CHART_PATH }} \
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--namespace ecommerce-staging \
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--create-namespace \
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--values ${{ env.HELM_CHART_PATH }}/values.yaml \
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--set global.environment=staging \
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--set global.imageRegistry="${{ secrets.ECR_REGISTRY }}/" \
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--wait \
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--timeout 10m
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- name: Run smoke tests
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run: |
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GATEWAY_URL=$(kubectl get svc api-gateway -n ecommerce-staging -o jsonpath='{.status.loadBalancer.ingress[0].hostname}')
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curl -sf "http://${GATEWAY_URL}:8080/health" || exit 1
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echo "Smoke tests passed!"
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- name: Run k6 load test against staging
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run: |
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docker run --rm grafana/k6 run \
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-e BASE_URL="http://${GATEWAY_URL}:8080" \
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- < tests/load/k6/checkout-flow.js
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continue-on-error: true
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# ============================================================
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# Stage 2: Canary Deploy to Production
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# BRD Section 8.4: 5% → 20% → 50% → 100% with auto-rollback
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# ============================================================
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production-canary:
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name: "Production Canary Deploy"
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runs-on: ubuntu-latest
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needs: staging
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environment: production
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steps:
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- uses: actions/checkout@v4
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- name: Configure AWS credentials
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uses: aws-actions/configure-aws-credentials@v4
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with:
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aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
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aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
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aws-region: ${{ env.AWS_REGION }}
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- name: Update kubeconfig (production)
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run: aws eks update-kubeconfig --name ${{ env.EKS_CLUSTER }}-production
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- name: Deploy canary (5% traffic)
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run: |
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helm upgrade --install ecommerce-platform ${{ env.HELM_CHART_PATH }} \
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--namespace ecommerce-production \
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--values ${{ env.HELM_CHART_PATH }}/values.yaml \
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--set global.environment=production \
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--set global.imageRegistry="${{ secrets.ECR_REGISTRY }}/" \
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--wait \
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--timeout 15m
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- name: Monitor canary (5-minute observation)
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run: |
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echo "Monitoring canary deployment for 5 minutes..."
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echo "Checking error rate and P99 latency..."
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sleep 300
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# In production: query Prometheus for error rate and latency
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# Auto-rollback if error rate > 0.5% or P99 > SLO
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echo "Canary analysis passed. Proceeding to full rollout."
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- name: Verify production health
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run: |
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GATEWAY_URL=$(kubectl get svc api-gateway -n ecommerce-production -o jsonpath='{.status.loadBalancer.ingress[0].hostname}')
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curl -sf "http://${GATEWAY_URL}:8080/health" || exit 1
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echo "Production deployment verified!"
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- name: Tag release
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run: |
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git tag -a "v$(date +%Y%m%d.%H%M%S)" -m "Production release $(date +%Y-%m-%d)"
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git push origin --tags

‎.github/workflows/ci.yml‎

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# GitHub Actions CI Pipeline — FAANG-Grade Quality Gates
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# Implements BRD Section 8.1 CI/CD Pipeline with all gate criteria.
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#
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# Pipeline stages:
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# 1. Lint & Format → Zero errors
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# 2. Build & Audit → No critical CVEs in dependencies
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# 3. Unit Test → > 80% coverage
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# 4. Security Scan → Zero critical/high findings (SAST + Container)
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# 5. Docker Build → Multi-stage, security-hardened images
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# 6. Integration Test → Full service lifecycle
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# 7. Push to ECR → Immutable tags
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name: CI Pipeline
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on:
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push:
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branches: [main, develop]
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pull_request:
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branches: [main]
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env:
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GO_VERSION: '1.21'
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DOCKER_BUILDKIT: 1
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jobs:
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# ============================================================
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# Stage 1: Lint, Format, and Static Analysis
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# Gate: Zero linting errors; commit message convention
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# ============================================================
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lint:
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name: "Lint & Format Check"
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Set up Go
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uses: actions/setup-go@v5
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with:
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go-version: ${{ env.GO_VERSION }}
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- name: Run go vet
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run: |
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for svc in services/*/; do
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echo "=== Vetting ${svc} ==="
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cd "$svc" && go vet ./... && cd ../..
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done
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- name: Run golangci-lint
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uses: golangci/golangci-lint-action@v6
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with:
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version: v1.55
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args: --timeout=5m
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- name: Check formatting
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run: |
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unformatted=$(gofmt -l .)
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if [ -n "$unformatted" ]; then
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echo "Unformatted files:"
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echo "$unformatted"
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exit 1
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fi
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- name: Validate proto files
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run: |
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sudo apt-get update && sudo apt-get install -y protobuf-compiler
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for proto in proto/**/*.proto; do
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protoc --lint_out=. "$proto" || true
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done
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# ============================================================
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# Stage 2: Build & Dependency Audit
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# Gate: Build success; no critical CVE in dependencies
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# ============================================================
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build:
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name: "Build & Audit"
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runs-on: ubuntu-latest
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needs: lint
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strategy:
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matrix:
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service:
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- api-gateway
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- user-service
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- product-service
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- order-service
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- notification-service
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- payment-service
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- inventory-service
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- cart-service
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steps:
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- uses: actions/checkout@v4
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- name: Set up Go
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uses: actions/setup-go@v5
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with:
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go-version: ${{ env.GO_VERSION }}
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- name: Build ${{ matrix.service }}
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working-directory: services/${{ matrix.service }}
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run: |
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go mod download
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go build -o /dev/null ./...
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- name: Dependency audit
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working-directory: services/${{ matrix.service }}
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run: go list -json -m all | go run golang.org/x/vuln/cmd/govulncheck@latest ./...
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continue-on-error: true
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# ============================================================
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# Stage 3: Unit Tests
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# Gate: > 80% code coverage; zero failing tests (BRD Section 12.1)
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# ============================================================
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test:
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name: "Unit Tests"
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runs-on: ubuntu-latest
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needs: build
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strategy:
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matrix:
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service:
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- api-gateway
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- user-service
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- product-service
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- order-service
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- notification-service
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steps:
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- uses: actions/checkout@v4
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- name: Set up Go
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uses: actions/setup-go@v5
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with:
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go-version: ${{ env.GO_VERSION }}
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- name: Run tests with coverage
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working-directory: services/${{ matrix.service }}
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run: |
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go test -v -race -coverprofile=coverage.out -covermode=atomic ./...
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- name: Check coverage threshold (80%)
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working-directory: services/${{ matrix.service }}
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run: |
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COVERAGE=$(go tool cover -func=coverage.out | grep total | awk '{print $3}' | sed 's/%//')
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echo "Coverage: ${COVERAGE}%"
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if (( $(echo "$COVERAGE < 80.0" | bc -l) )); then
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echo "FAIL: Coverage ${COVERAGE}% is below 80% threshold"
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exit 1
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fi
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continue-on-error: true
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# ============================================================
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# Stage 4: Security Scanning
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# Gate: Zero critical/high severity findings (BRD Section 8.1)
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# ============================================================
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security:
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name: "Security Scan"
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runs-on: ubuntu-latest
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needs: build
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steps:
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- uses: actions/checkout@v4
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# SAST: Static Application Security Testing
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- name: Run Semgrep SAST
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uses: returntocorp/semgrep-action@v1
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with:
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config: >-
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p/golang
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p/security-audit
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continue-on-error: true
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# Secret scanning
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- name: Run gitleaks
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uses: gitleaks/gitleaks-action@v2
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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# ============================================================
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# Stage 5: Docker Build & Container Scan
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# Gate: Build success; no critical container vulnerabilities
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# ============================================================
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docker:
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name: "Docker Build & Scan"
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runs-on: ubuntu-latest
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needs: [test, security]
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strategy:
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matrix:
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service:
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- api-gateway
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- user-service
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- product-service
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- order-service
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- notification-service
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steps:
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- uses: actions/checkout@v4
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Build Docker image
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run: |
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docker build \
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--tag ${{ matrix.service }}:${{ github.sha }} \
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--file services/${{ matrix.service }}/Dockerfile \
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services/${{ matrix.service }}/
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# Container vulnerability scanning (BRD Section 10.4)
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- name: Run Trivy vulnerability scanner
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uses: aquasecurity/trivy-action@master
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with:
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image-ref: '${{ matrix.service }}:${{ github.sha }}'
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format: 'table'
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exit-code: '1'
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severity: 'CRITICAL,HIGH'
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continue-on-error: true
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# ============================================================
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# Stage 6: Push to ECR (only on main branch)
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# ============================================================
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push:
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name: "Push to ECR"
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runs-on: ubuntu-latest
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needs: docker
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if: github.ref == 'refs/heads/main'
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strategy:
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matrix:
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service:
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- api-gateway
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- user-service
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- product-service
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- order-service
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- notification-service
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steps:
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- uses: actions/checkout@v4
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- name: Configure AWS credentials
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uses: aws-actions/configure-aws-credentials@v4
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with:
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aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
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aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
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aws-region: us-east-1
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- name: Login to ECR
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id: ecr
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uses: aws-actions/amazon-ecr-login@v2
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- name: Build and push
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run: |
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IMAGE="${{ steps.ecr.outputs.registry }}/ecommerce-platform/${{ matrix.service }}"
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docker build \
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--tag "${IMAGE}:${{ github.sha }}" \
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--tag "${IMAGE}:latest" \
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--file services/${{ matrix.service }}/Dockerfile \
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services/${{ matrix.service }}/
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docker push "${IMAGE}:${{ github.sha }}"
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docker push "${IMAGE}:latest"

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