This PR fixes the problem with the config.json being read-only, after mattermost 5.30+ looks like it tries to save some data in the config.json, to avoid that we can use the configuration in the DB and also the environment variables.
Before upgrading an existing installation, please check the readme for the steps in how to migrate to the newer chart
It was tested with a deployment using the latest helm chart, then applied the migration steps and upgrade to the chart in this PR.
Summary
This PR fixes the problem with the config.json being read-only, after mattermost 5.30+ looks like it tries to save some data in the config.json, to avoid that we can use the configuration in the DB and also the environment variables.
Before upgrading an existing installation, please check the readme for the steps in how to migrate to the newer chart
It was tested with a deployment using the latest helm chart, then applied the migration steps and upgrade to the chart in this PR.
Ticket Link
Fixes: https://github.com/mattermost/mattermost-helm/issues/100