http:
  routers:
    main-https:
      rule: &host_rule "Host(`example.com`) || Host(`www.example.com`)"
      entryPoints:
        - websecure
      service: main-service
      # 如果需要使用自动申请SSL证书，自动续期等功能，请取消注释以下内容
      # tls:
      #  certResolver: myresolver

    main-http-redirect:
      rule: *host_rule
      entryPoints:
        - web
      middlewares:
        - redirect-to-https
      service: noop

  services:
    main-service:
      loadBalancer:
        servers:
          - url: "http://100.100.100.100:3000" # 这里填写你的后端服务地址（上游服务）
    noop:
      loadBalancer:
        servers:
          - url: "http://127.0.0.1:65535" # 占位用，无实际后端，仅用于HTTP跳转

  middlewares:
    redirect-to-https:
      redirectScheme:
        scheme: https
        permanent: true