before u start your installation, each worker node should have nfs-common
apt-get install -y nfs-common
#useful links
https://artifacthub.io/packages/helm/atlassian-data-center/jira/1.16.5
https://github.com/atlassian/data-center-helm-charts
https://bitbucket.org/atlassian-docker/docker-atlassian-jira/src/master/
https://atlassian.github.io/data-center-helm-charts/userguide/INSTALLATION
https://atlassian.github.io/data-center-helm-charts/examples/external_libraries/EXTERNAL_LIBS/
Note: persistent storage created automatically using longhorn