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Kubernetes Deployment

Kubernetes provides enterprise-grade container orchestration for hybrid, cloud, or on-premises deployments.

Benefits

  • Complete infrastructure control and customization
  • Flexible scaling and high availability
  • Production-ready deployment architecture
  • Support for multiple environments (cloud, hybrid, on-prem)

Requirements

Replicas

Multi-replica (multi-instance) deployments are supported only with an Enterprise license. For all other license plans, ensure that only a single replica is used.

Helm Chart Installation

Official Helm charts are hosted in our GitHub repository:

https://github.com/altcha-org/helm-charts

Basic Installation

  1. Add the Helm repository:
Terminal window
helm repo add altcha-org https://altcha-org.github.io/helm-charts
  1. Update your local chart cache:
Terminal window
helm repo update
  1. Install the chart with default settings:
Terminal window
helm install altcha-sentinel altcha-org/sentinel

Accessing Endpoints

After installation, access the service using:

Terminal window
kubectl get svc altcha-sentinel

Default endpoints:

  • Web Interface: http://<service-ip>:8080
  • API: http://<service-ip>:8080/v1
  • API Documentation: http://<service-ip>:8080/v1/docs

Default credentials:

  • Username: root
  • Password: root

For production environments, configure:

  1. Ingress controller for external access
  2. TLS certificates for HTTPS
  3. Custom domain names

Customized Installation

Common configuration options:

Terminal window
helm install altcha-sentinel altcha-org/sentinel \
  --namespace sentinel \
  --create-namespace \
  --set image.tag="1.0.0" \
  --set service.type=LoadBalancer \
  --set ingress.enabled=true \
  --set ingress.hosts[0].host=sentinel.yourdomain.com \
  --set persistence.enabled=true \
  --set persistence.size="20Gi"

Key configuration parameters:

  • service.type: ClusterIP, NodePort, or LoadBalancer
  • ingress.enabled: Configure external access via Ingress
  • image.tag: Specific version tag (recommended for production)
  • persistence.size: Storage allocation for persistent data
  • resources.requests/limits: CPU/memory resource allocation

For complete configuration options, see the chart documentation.

Upgrading Sentinel

Upgrading Sentinel in a Kubernetes environment is simple using Helm. You can upgrade to a new version by updating the Helm release with the desired image tag.

Step-by-Step Upgrade

  1. Verify the Latest Version

Check the latest releases or Helm Chart repository for the latest available version tag (e.g., v1.2.3).

  1. Upgrade the Release

Run the following command to upgrade Sentinel:

Terminal window
helm upgrade altcha-sentinel altcha-org/sentinel \
  --set image.tag="1.2.3"

If you’ve installed it with additional options or a custom namespace, repeat them in the upgrade command:

Terminal window
helm upgrade altcha-sentinel altcha-org/sentinel \
  --namespace sentinel \
  --set image.tag="1.2.3" \
  --reuse-values

The --reuse-values flag ensures that all your previous configuration remains intact, updating only the image version.

  1. Monitor the Upgrade

Check the rollout status to confirm that the upgrade completes successfully:

Terminal window
kubectl rollout status deployment/altcha-sentinel -n sentinel

Optional: Roll Back to Previous Version

To revert to a previous version:

Terminal window
helm rollback altcha-sentinel <revision-number> --namespace sentinel

To list revision numbers:

Terminal window
helm history altcha-sentinel --namespace sentinel

Notes

  • Always use a specific version tag for upgrades—avoid latest in production.
  • The upgrade will cause a rolling restart of pods with no expected downtime (assuming readiness probes are passing).
  • If using persistence, data will be retained across upgrades.

Next Steps