feat(backstage): option to pass in image by digest

[1602077]

Description of the change

Add option to pass image tag by digest (i.e. sha256:xxx) instead of image tag. This makes use of already existing support in the bitnami common templates.

Existing or Associated Issue(s)

Apologies as this is just updating the values.yaml file I haven't opened an issue.

Additional Information

This is a common issue that gets flagged when auditing kubernetes manifests with tooling like trivy or checkov. If you need more detail let me know and I can add some examples to the PR description.

Checklist

• Chart version bumped in Chart.yaml according to semver.
• Variables are documented in the values.yaml and added to the README.md. The helm-docs utility can be used to generate the necessary content. Use helm-docs --dry-run to preview the content.
• JSON Schema generated.
• List tests pass for Chart using the Chart Testing tool and the ct lint command.

[github-actions]

This PR has been automatically marked as stale because it has not had recent activity from the author. It will be closed if no further activity occurs. If the PR was closed and you want it re-opened, let us know and we'll re-open the PR so that you can continue the contribution!

[ChrisJBurns]

Hey @1602077 any chance you could add a CI test to cover the digest addition?

[1602077]

Hey @1602077 any chance you could add a CI test to cover the digest addition?

Sure thing @ChrisJBurns - I have added now. Let me know if there is anything else you need from me.

Cheers

[github-actions]

This PR has been automatically marked as stale because it has not had recent activity from the author. It will be closed if no further activity occurs. If the PR was closed and you want it re-opened, let us know and we'll re-open the PR so that you can continue the contribution!

[1602077]

Hey @ChrisJBurns - I was unsure whether I need to assign any reviewers or not?

[ChrisJBurns]

Thanks @1602077 have approved, will see how the tests get on 🤞

[1602077]

Thanks @1602077 have approved, will see how the tests get on 🤞

apologies looks like I forgot to rerun the precommit hook after merge main - ci should pass now

cheers

[github-actions]

This PR has been automatically marked as stale because it has not had recent activity from the author. It will be closed if no further activity occurs. If the PR was closed and you want it re-opened, let us know and we'll re-open the PR so that you can continue the contribution!