Currently my app has 11 modules and this implies that I have a file chart for each module.
I would like to centralise this version to avoid changing it in each file every time I want to deploy.

My charts look like this:

apiVersion: v2
appversion: 1.4.0-CTLQ-SNAPSHOT
description: Helm chart to deploy service1
name: service1
version: 1.4.0-CTLQ-SNAPSHOT

apiVersion: v2
appversion: 1.4.0-CTLQ-SNAPSHOT
description: Helm chart to deploy service2
name: service2
version: 1.4.0-CTLQ-SNAPSHOT

… 11 times

So I would like to have the version 1.4.0-CTLQ-SNAPSHOT defined somewhere as a variable, and be able to reference it directly from each chart.