traefik/rules.yaml

http:
  routers:
    router-dsm:
      rule: "Host(`huguettes.freeboxos.fr`) && Path(`/nas`)"
      service: "service-dsm"
      tls:
        certresolver: myresolver
      middlewares: 
        - nas-replacepathregex
        - nas-redirectregex
  services:
    service-dsm:
      loadBalancer:
        passHostHeader: true
        servers:
          - url: "http://192.168.1.100:5000"


  middlewares:
    nas-replacepathregex:
      replacepathregex:
        regex: ^/nas/(.*)
        replacement: /$$1
    nas-redirectregex:  
      redirectregex:
        regex: ^(.*)/nas$$
        replacement: $$1/nas/