Traefik 2.0 发布了

      rule: "HostSNI(`db1.domain`)"

      service: "db1"

      tls: {} 

    to-db-2:

      entrypoints:

      - web-secure

      rule: "HostSNI(`db2.domain`)"

      service: "db2"

      tls: {}

高级路由

方便的支持a/b 测试，流量镜像服务，以及灵活的自定义路由配置(通过Middleware)
a/b 参考配置

http:

  services:

    canary-api:

      weighted:

        services:

        - name: my-api-v1

          weight: 3

        - name: my-api-v2

          weight: 1

[http.services.mirrored-api]

    [http.services.mirrored-api.mirroring]

      service = "api"

    [[http.services.mirrored-api.mirroring.mirrors]]

      name = "api-v2"

      percent = 10

[http.services.api]

    [http.services.api.loadBalancer]

      [[http.services.api.loadBalancer.servers]]

        url = "http://private-ip-server-1/"

[http.services.api-v2]

    [http.services.api-v2.loadBalancer]

      [[http.services.api-v2.loadBalancer.servers]]

        url = "http://private-ip-server-2/"