Here you may see about bi-directional replication we have used http://2ndquadrant.com/en/resources/bdr/
We use here 64bit ubuntu 14.04 with docker to demonstrate our replication solution. First we need to install docker .
sudo su apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" > /etc/apt/sources.list.d/docker.list