occ-fw-backend/deployment/ingress.yaml

---
# Middleware
# Strip prefix /overview
apiVersion: traefik.containo.us/v1alpha1
kind: Middleware
metadata:
  name: occ-fw-backend-path-strip-mw
spec:
  stripPrefix:
    forceSlash: false
    prefixes:
      - /occ/api
---
# IngressRoute
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: occ-backend-ingress-route
spec:
  entryPoints:
    - websecure
  routes:
    - kind: Rule
      match: PathPrefix(`/occ/api/`)
      middlewares:
        - name: occ-fw-backend-path-strip-mw
      services:
        - kind: Service
          name: occ-fw-backend-service
          port: 80