mattermost 0.0.6
Chart · Messaging · standard · v0.0.6
Open-source, self-hosted team messaging and collaboration platform (a Slack alternative) with channels, direct messages, file sharing, and integrations. Packaged from Mattermost's official Team Edition server release; requires an external PostgreSQL.
Version
The latest line lives at the base page; older lines have their own page so you can pin and verify exactly that version.
Released version
This is the 0.0.6 release of the mattermost chart, published 2026-07-10.For the live security report and the currently deployed image digest, see the latest release.
Security report (Trivy)
Security report (Trivy) · image mattermost 11.9.0
Install the chart
Deploy to Kubernetes with hardened defaults. The chart pins its image by signed digest, so you never track it yourself.
Install (pinned to 0.0.6)
helm install my-mattermost oci://ghcr.io/quenchworks/charts/mattermost --version 0.0.6- Chart version
- 0.0.6
- Chart license
- AGPL-3.0-only
- App license
- AGPL-3.0
- Service port
- 8065
- Signed
- cosign (keyless)
- Released
- 2026-07-10
Verify the chart
cosign verify ghcr.io/quenchworks/charts/mattermost:0.0.6 \
--certificate-identity-regexp 'https://github.com/quenchworks/.+' \
--certificate-oidc-issuer https://token.actions.githubusercontent.comTransparency
The chart publishes its attestations on GitHub and the image it deploys carries its own on the same digest, publicly verifiable with the commands above. Both log to the Sigstore transparency log (Rekor), which cosign verify checks for you.
Upstream project: https://mattermost.com