synapse.conf.json

{
  "services": {
    "web": {
      "discovery": {
        "method": "dns",
        "nameserver": "127.0.0.1",
        "check_interval": 5,
        "servers": [
          {
            "host": "web.service.consul",
            "port": 80
          }
        ]
      },
      "haproxy": {
        "server_options": "check inter 2s rise 3 fall 2",
        "listen": [
          "mode http",
          "option httplog"
        ],
        "port": 80,
        "backend": [
          "mode http",
          "option httpchk GET / HTTP/1.0"
        ]
      }
    }
  },
  "haproxy": {
    "reload_command": "systemctl restart haproxy.service",
    "config_file_path": "/etc/haproxy/haproxy.cfg",
    "do_writes": true,
    "do_reloads": true,
    "do_socket": false,
    "bind_address": "0.0.0.0",
    "global": [
      "daemon",
      "user haproxy",
      "group haproxy"
    ],
    "defaults": [
      "option   redispatch",
      "option   http-server-close",
      "balance  static-rr"
    ]
  }
}