If you're using hipache as a reverse proxy and use docker container for different virtual hosts, you can use hipache-connector.sh as a supervisor program which automatically registers and unregisters itself from the given hipache server.

hipache-connector.sh

#!/usr/bin/env bash

SHUTDOWN=0
IP=127.0.0.1
VHOST="`hostname -f`"
SUBDOMAIN=www
HIPACHE=hipache
DEVICE=eth0
SCHEME=http

function register {
  IP="`ip -4 a s scope global dev $DEVICE | grep -oE '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+'`"

  echo "registering $IP for $VHOST at hipache:"

  if [ "`redis-cli --raw -h $HIPACHE exists "frontend:$VHOST"`" == 0 ]; then
    echo -n "...create new vhost: "
    redis-cli --raw -h $HIPACHE rpush "frontend:$VHOST" $VHOST
  fi

  echo -n "...adding to list: "
  redis-cli --raw -h $HIPACHE rpush "frontend:$VHOST" "$SCHEME://$IP"

  if [ "`redis-cli --raw -h $HIPACHE exists "frontend:$SUBDOMAIN.$VHOST"`" == 0 ]; then
    echo -n "...create new vhost: "
    redis-cli --raw -h $HIPACHE rpush "frontend:$SUBDOMAIN.$VHOST" $VHOST
  fi

  echo -n "...adding to list: "
  redis-cli --raw -h $HIPACHE rpush "frontend:$SUBDOMAIN.$VHOST" "$SCHEME://$IP"
}

function unregister {
  echo "unregister $IP for $VHOST at hipache:"

  echo -n "...removing from list: "
  redis-cli --raw -h $HIPACHE lrem "frontend:$VHOST" 0 "$SCHEME://$IP"

  echo -n "...removing from list: "
  redis-cli --raw -h $HIPACHE lrem "frontend:$SUBDOMAIN.$VHOST" 0 "$SCHEME://$IP"

  SHUTDOWN=1
}

trap register SIGHUP
trap unregister SIGTERM
trap unregister SIGINT

register

while [ $SHUTDOWN == 0 ]; do
  sleep 5s
done

echo shutdown