FussyMonkey.dev

# .github/workflows/release.yml
name: Release Pipeline
on:
  push:
    tags: ['v*.*.*']
jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run Security Scanner
        run: trivy image --severity HIGH,CRITICAL $IMAGE_NAME
      - name: Deploy Canary (10% traffic)
        run: helm upgrade --install --set image.tag=${{ github.ref_name }} canary-gateway ./charts/gateway
      - name: Verify Health Metrics
        run: ./scripts/verify-health.sh --timeout=300s

// gateway/middleware/strangler.go
package middleware

import (
	"net/http"
	"strings"
)

// RouteTraffic directs traffic based on migration status
func RouteTraffic(legacy, modernized http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// Modernized billing system cutover is 100% complete
		if strings.HasPrefix(r.URL.Path, "/api/v1/billing/") {
			modernized.ServeHTTP(w, r)
			return
		}
		// Default fallback routing to legacy monolith
		legacy.ServeHTTP(w, r)
	})
}