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Aleksei SviridkinandClaude 68ebc46dbd feat(deployment): add revisionHistoryLimit parameter for rollback history control

Add revisionHistoryLimit parameter to control how many old ReplicaSets are
retained for rollback purposes, reducing etcd storage usage compared to
Kubernetes default of 10.

Changes:
- Add revisionHistoryLimit parameter in values.yaml (default: 3)
- Add revisionHistoryLimit to deployment.yaml spec
- Provide comprehensive documentation with recommendations
- Bump chart version 2.5.0 -> 2.5.1 (patch - minor enhancement)
- Add changelog annotation for Artifact Hub

Benefits:
- Reduce etcd storage usage (especially important in large clusters)
- Maintain reasonable rollback capability (3 previous versions)
- Allow customization based on deployment needs
- Can be set to null to use Kubernetes default (10)

Default rationale:
- 3 revisions provides sufficient rollback capability for most use cases
- Reduces cluster resource usage (etcd storage, API server load)
- Follows best practices from production Kubernetes deployments
- Users can override if they need more history

Example usage:
  # Use default (3 revisions)
  revisionHistoryLimit: 3

  # Increase for critical deployments
  revisionHistoryLimit: 10

  # Use Kubernetes default (10)
  revisionHistoryLimit: null

  # Disable history (not recommended)
  revisionHistoryLimit: 0

See: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#revision-history-limit

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Aleksei Sviridkin <f@lex.la>

68ebc46dbd · 2025-11-07 17:43:20 -07:00

112 Commits

.github

Update actions/checkout action to v5 (#74 )

2025-10-19 21:29:20 -06:00

charts/jellyfin

feat(deployment): add revisionHistoryLimit parameter for rollback history control

2025-11-07 17:43:20 -07:00

.gitignore

Initial commit (#2 )

2024-05-20 17:24:10 -06:00

LICENSE

Create LICENSE (#3 )

2024-05-20 17:23:21 -06:00

README.md

Correct directory name in README (#78 )

2025-10-19 21:28:14 -06:00

README.md

Jellyfin Helm Charts Repository

This repository contains Helm charts for the jellyfin project.

Repository Structure

Each Helm chart is stored in its own directory. Each chart follows the standard Helm chart structure:

jellyfin-helm/
├── jellyfin/
│   ├── Chart.yaml
│   ├── values.yaml
│   ├── templates/
│   └── ...
├── chart2/
│   ├── Chart.yaml
│   ├── values.yaml
│   ├── templates/
│   └── ...
└── ...

Chart.yaml: Contains metadata about the chart (name, version, app version, etc.).
values.yaml: Default configuration values for the chart.
templates/: The Kubernetes resource templates (YAML files) that Helm uses to deploy the chart.

How to Use the Charts

1. Add this Repository

To use the charts in this repository, first add the repository to Helm:

helm repo add jellyfin https://jellyfin.github.io/jellyfin-helm
helm repo update

2. Install a Chart

To install a chart from this repository, use the following command:

helm install <release-name> jellyfin/<chart-name>

3. Customize Installation

You can customize the installation by passing in custom values via the --set flag or by using a values.yaml file:

helm install <release-name> jellyfin/<chart-name> --set key=value

helm install <release-name> jellyfin/<chart-name> -f custom-values.yaml

Contributing

Feel free to contribute to this repository by:

Submitting new charts.
Fixing bugs or issues.
Improving documentation.

To contribute, fork this repository, create a new branch, and submit a pull request with your changes.

License

This repository is licensed under the MIT License. See the LICENSE file for more details.