{
  "apps": {
    "layer4": {
      "servers": {
        "tcp80": {
          "listen": [
            "tcp/:80"
          ],
          "routes": [
            {
              "handle": [
                {
                  "handler": "proxy",
                  "upstreams": [
                    {
                      "dial": [
                        "caddy-http:80"
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        },
        "tcp443": {
          "listen": [
            "tcp/:443"
          ],
          "routes": [
            {
              "match": [
                {
                  "tls": {
                    "sni": [
                      "<DERPER_HOSTNAME>"
                    ]
                  }
                }
              ],
              "handle": [
                {
                  "handler": "proxy",
                  "upstreams": [
                    {
                      "dial": [
                        "derper:443"
                      ]
                    }
                  ]
                }
              ]
            },
            {
              "handle": [
                {
                  "handler": "proxy",
                  "upstreams": [
                    {
                      "dial": [
                        "caddy-http:8443"
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      }
    }
  }
}