Change your /etc/hosts based on your running containers hostnames

boot2docker_network.sh

#!/bin/bash

echo Starting boot2docker if not already started
boot2docker status || boot2docker up

export the_ip=$(boot2docker ip 2>&1 | egrep -o "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*")
export old_route_ip=$(netstat -r | grep 172.17  | egrep -o "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*")
echo Found boot2docker ip $the_ip
if [ "$the_ip" == "" ]; then
  echo Could not find the ip of boot2docker.. =/
  exit
fi

echo Seting up routes. Enter sudo password
if [ "$old_route_ip" != "" ]; then
  sudo route -n delete -net 172.17.0.0 $old_route_ip
fi
sudo route -n add -net 172.17.0.0 $the_ip

echo setting up hosts
cd /var/tmp
cp /etc/hosts hosts
grep -v '# boot2dockerscript' hosts > hosts_temp
mv hosts_temp hosts
for containerid in $(docker ps -q); do
  echo Checking out $containerid
  export domain=$(docker inspect $containerid | grep '"Domainname":' | cut -f2 -d":" | cut -f2 -d'"')
  export host=$(docker inspect $containerid | grep '"Hostname":' | cut -f2 -d":" | cut -f2 -d'"')
  export ip=$(docker inspect $containerid | grep 'IPAdd' | egrep -o "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*")
  if [ "$domain" != "" ]; then
    echo Storing values $ip $host.$domain
    echo $ip $host.$domain \# boot2dockerscript >> hosts
  else
    echo Storing values $ip $host
    echo $ip $host \# boot2dockerscript >> hosts
  fi
done
sudo mv hosts /etc/hosts