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CD/CI deployment manifests and configurations for basicstack.de cluster
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CTO 0e796dff14 fix(os-update): accept 401/403 as /livez alive in CP reboot poll (DEV-566) 
k3s api-server /livez on this cluster is auth-gated and returns HTTP 401
without a bearer token. The Phase E reboot poll hardcoded HTTP 200, so
every CP reboot would time out at 10 min ("api-server did not return
within 600s") even though cp-2 was actually Ready and etcd-rejoined
within ~90 s.

Any HTTP response from the api-server (200/401/403) means it is up and
serving; only network-level failures (000, connection refused) count as
"not yet back". Added --max-time 5 to keep polling snappy immediately
after the reboot when TCP may accept-then-drop.

Verified during DEV-566 cycle:
  curl -sk -o/dev/null -w '%{http_code}' https://<cp>:6443/livez -> 401
on cp-1, cp-2, cp-3 (all Ready).

Co-Authored-By: Paperclip <noreply@paperclip.ing>
2026-09-06 01:47:47 +00:00
apps fix(vikunja): set pod FQDN so SMTP EHLO passes Stalwart validation (DEV-563) 2026-09-05 10:05:26 +00:00
docs chore(restic): bump image 0.17.3 -> 0.19.1 (DEV-541) 2026-08-23 15:52:15 +00:00
infrastructure fix(os-update): accept 401/403 as /livez alive in CP reboot poll (DEV-566) 2026-09-06 01:47:47 +00:00
.gitignore Convert all secrets to SealedSecrets for enhanced security 2026-07-01 18:38:27 +00:00
add-user-andreas.ldif OpenCloud: Use native bash substitution in config file 2026-07-05 14:03:49 +00:00
DEV-349-progress.md Consolidate Forgejo backup into forgejo namespace 2026-07-26 09:35:31 +00:00
README.md Add comprehensive Argo CD documentation 2026-07-12 10:04:51 +00:00

README.md

stack.basicstack.de

CD/CI deployment manifests and configurations for the basicstack.de Kubernetes cluster.

Repository Structure

stack.basicstack.de/
├── apps/                    # Application deployments
│   ├── stalwart/           # Stalwart mail server (example)
│   └── forgejo/            # Forgejo Git service (placeholder)
├── infrastructure/          # Infrastructure-level configurations
│   ├── networking/         # Network policies, ingress, DNS
│   └── monitoring/         # Monitoring, logging, observability
└── docs/                   # Documentation and guides

Purpose

This repository serves as the central source of truth for all deployment configurations targeting the basicstack.de Kubernetes cluster. It follows GitOps principles where infrastructure and application state is declaratively defined and version-controlled.

Directory Details

apps/

Contains deployment configurations for individual applications and services running on the cluster. Each application should have its own subdirectory with:

  • Kubernetes manifests (Deployments, StatefulSets, Services, etc.)
  • Helm values files
  • Configuration files
  • Application-specific documentation

Example: The stalwart/ directory contains the complete deployment configuration for the Stalwart mail server, including multiple deployment variants, monitoring setup, and operational guides.

infrastructure/

Contains cluster-wide infrastructure configurations:

  • networking/: Ingress controllers, network policies, DNS configurations, load balancers
  • monitoring/: Prometheus, Grafana, logging infrastructure, observability tools

docs/

General documentation including:

  • Deployment procedures
  • Cluster architecture
  • Troubleshooting guides
  • Best practices

GitOps with Argo CD

This repository is managed via Argo CD, the GitOps deployment platform for the cluster.

All changes pushed to the main branch are automatically synchronized to the cluster. Applications are defined in apps/app-*.yaml files and reference subdirectories for their manifests.

For details on managing applications, repository credentials, troubleshooting, and emergency procedures, see the Argo CD documentation.

Getting Started

  1. Clone this repository
  2. Review the example Stalwart deployment in apps/stalwart/
  3. Follow the pattern for new application deployments
  4. Ensure all manifests are tested before committing
  5. Argo CD will automatically sync changes to the cluster (or use manual sync for critical changes)

Contributing

All changes should be:

  1. Committed with clear, descriptive messages
  2. Tested in a development environment when possible
  3. Documented appropriately
  4. Reviewed before deployment to production

Cluster Information

  • Cluster: basicstack.de
  • Platform: K3s on Hetzner Cloud
  • Namespace Strategy: One namespace per application (recommended)
  • Ingress: Traefik (default K3s ingress controller)