@plone/volto/cypress/docker/seamless-rules.yml

Volto

http:
  routers:
    frontend:
      rule: "Host(`localhost`)"
      service: frontend
    backend:
      rule: "Host(`localhost`) && PathPrefix(`/++api++`)"
      service: backend
      middlewares:
        - backend

  middlewares:
    backend:
      replacePathRegex:
        regex: "^/\\+\\+api\\+\\+($|/.*)"
        replacement: "/VirtualHostBase/http/localhost/plone/++api++/VirtualHostRoot$1"

  services:
    frontend:
      loadBalancer:
        servers:
          - url: "http://host.docker.internal:3000"
    backend:
      loadBalancer:
        servers:
          - url: "http://host.docker.internal:55001"