apiVersion: v1 kind: Service metadata: name: nginx-canary-proxy namespace: nginx-mcp labels: app: nginx-canary-proxy annotations: description: > ExternalName proxy required because Traefik v3 does not allow cross-namespace service references inside TraefikService weighted config. This service bridges nginx-mcp namespace → nginx-canary namespace. spec: type: ExternalName externalName: nginx-canary.nginx-canary.svc.cluster.local ports: - port: 80 targetPort: 80