Proxy static files from S3 with Kubernetes and Nginx Ingress

s3-static-file-ingress-and-svc.yaml

apiVersion: v1
kind: Service
metadata:
  name: my-s3-static-svc
spec:
  externalName: <MY_S3_BUCKET_NAME>.s3.<MY_S3_BUCKET_REGION>.amazonaws.com
  type: ExternalName
  ports:
  - name: http
    port: 80
    protocol: TCP
    targetPort: 80
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /static/$2
    nginx.ingress.kubernetes.io/upstream-vhost: <MY_S3_BUCKET_NAME>.s3.<MY_S3_BUCKET_REGION>.amazonaws.com
    nginx.ingress.kubernetes.io/use-regex: "true"
  name: my-ingress
spec:
  rules:
  - host: www.mydomain.com
    http:
      paths:
      - path: /static(/|$)(.*)
        backend:
          service:
            name: my-s3-static-svc
            port: 80