Once we are logged in to one of the manager nodes, the first thing we need to do is create some Swarm secrets for our database passwords:
$ echo "DbP@SSwod1" | docker secret create root_db_password -$ echo "myJ000mlaPw" | docker secret create jm_db_password -
Let's confirm that we added them correctly:
$ docker secret ls
They look good. Let's create a custom overlay network so that our services can talk with each other over an encrypted connection on the cluster:
$ docker network create -d overlay joomla$ docker network ls
