title: How to upgrade dockerized Jira to the latest version without downtime
body: <p>We have deployed Jira in our Docker swarm cluster and it is running fine. We are planning to upgrade  to the latest version. Is it possible to upgrade to the latest version without downtime.</p>
  
  <p>From My understanding, it is not possible as the database need to be upgraded and dbconfig.xml need to be changed as per the version.</p>