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CD/CI deployment manifests and configurations for basicstack.de cluster
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CTO Agent 8054ef4018 Implement automatic TLS certificate renewal for Stalwart 
Added Stakater Reloader to automatically restart Stalwart pods when
TLS certificates are renewed by cert-manager. This ensures seamless
certificate rotation without manual intervention.

Changes:
- Deploy Stakater Reloader in infrastructure/networking/
- Add Reloader annotation to Stalwart StatefulSet to watch stalwart-tls secret
- Document certificate renewal process and troubleshooting

The certificate is managed by cert-manager with Let's Encrypt and will
automatically renew 30 days before expiration (renewal date: 2026-08-20).
Reloader detects secret updates and triggers a rolling restart of the
Stalwart StatefulSet to load the new certificate.

Co-Authored-By: Paperclip <noreply@paperclip.ing>
2026-07-04 16:48:48 +00:00
apps Implement automatic TLS certificate renewal for Stalwart 2026-07-04 16:48:48 +00:00
docs Initialize CD/CI repository structure with Stalwart example 2026-07-01 18:08:31 +00:00
infrastructure Implement automatic TLS certificate renewal for Stalwart 2026-07-04 16:48:48 +00:00
.gitignore Convert all secrets to SealedSecrets for enhanced security 2026-07-01 18:38:27 +00:00
README.md Initialize CD/CI repository structure with Stalwart example 2026-07-01 18:08:31 +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

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

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)