../_images/kup6s-icon-argocd.svg

Deployed Applications

This section contains documentation for applications deployed on the KUP6S cluster.

Each application follows the Diátaxis framework, with documentation organized into:

  • Explanation - Understanding WHY architectural decisions were made

  • Reference - Complete technical specifications for lookup

  • How-To - Step-by-step guides for specific tasks

  • Tutorials - Complete learning-oriented walkthroughs

Applications

CloudNativePG

PostgreSQL Operator and Backup Management

PostgreSQL cluster lifecycle management with:

  • CloudNativePG operator for PostgreSQL orchestration

  • Automated backups to S3 with Barman Cloud Plugin

  • High availability with automatic failover

  • Connection pooling with PgBouncer

  • Point-in-time recovery (PITR)

View Documentation →

CloudNativePG Operator
GitLab BDA

Complete Git Platform with CI/CD and Container Registry

GitLab deployment for Blue Dynamics Alliance with:

  • GitLab CE with external PostgreSQL and Redis

  • Harbor container registry with Trivy vulnerability scanning

  • GitLab Pages for static site hosting

  • S3 object storage for artifacts, uploads, and LFS

  • High availability with CloudNativePG and Redis Sentinel

View Documentation →

GitLab BDA
Monitoring Stack

Complete Observability Platform with Metrics and Logs

Monitoring stack providing cluster-wide observability with:

  • Prometheus + Thanos for metrics collection and long-term storage

  • Grafana for visualization and dashboards

  • Loki for log aggregation with S3 storage

  • Alloy for unified metrics and logs collection

  • Alertmanager for alert routing and notification

View Documentation →

Monitoring Stack
Mailu Mail Server

Complete Mail Server with SMTP, IMAP, and Webmail

Mailu deployment providing full-featured mail services with:

  • SMTP sending/receiving with spam filtering (Rspamd)

  • IMAP and POP3 with Dovecot

  • Roundcube webmail interface

  • Traefik TLS termination for all protocols

  • Cilium egress gateway for consistent sender IP (SPF compliance)

  • PostgreSQL backend with CloudNativePG

  • Integrated admin interface and SSO

View Documentation →

Mailu Mail Server
Capsule Multi-Tenancy

Self-Service Namespace Management for Teams

Capsule deployment providing multi-tenancy with:

  • Self-service namespace creation for tenant owners

  • Automatic RBAC inheritance within tenant namespaces

  • Aggregated resource quotas across tenant namespaces

  • Namespace prefix-based tenant assignment

  • Network policy isolation between tenants

View Documentation →

Capsule Multi-Tenancy
Nextcloud

Self-Hosted File Sync and Collaboration Platform

Nextcloud deployment providing file storage and collaboration with:

  • File sync, sharing, and versioning

  • Collabora Online for browser-based document editing

  • Whiteboard for real-time collaboration

  • S3 primary storage with Hetzner Object Storage

  • CloudNativePG PostgreSQL with automated backups

  • Multiple instances with shared CDK8S constructs

View Documentation →

Nextcloud
kup6s-pages

Multi-Tenant Static Site Hosting Operator

Static site hosting from Git repositories with:

  • StaticSite CRD for declarative site management

  • Automatic TLS via cert-manager integration

  • Traefik IngressRoute creation

  • Webhook support for instant updates on push

  • Private repository support with deploy tokens

  • Multi-tenant architecture with shared nginx

View Documentation →

kup6s-pages

Table of Contents

Deployments