flux2
├── apps     # Resources to install specific applications
│   ├── monitoring  # Prometheus, Grafana and log aggregation
│   ├── nextcloud   # Nextcloud
│   ├── velero      # Velero, backup system
│   ├── wordpress   # WordPress CMS
│   └── …           # Further apps
├── cluster  # Folders that can be added as Flux Kustomization
│   ├── base        # First kustomization that should be applied, adds
│   │   │           # repositories, LE, Nginx, single sign-on,
│   │   ├── infrastructure.yaml  # Applies `flux2/infrastructure` folder
│   │   ├── core.yaml            # Applies `flux2/core/` folder
│   │   └── monitoring.yaml      # Applies `flux2/apps/monitoring` folder
│   └── optional    # Kustomizations that can be applied to add applications
│       └── ... # 1 folder per app in `apps/`
├── core     # Resources that need variables from `stackspin-cluster-variables` secret
│   └── base
│       ├── cluster-issuer # `cert-manager` is part of `infrastructure`, this only adds the cluster-issuer
│       ├── metallb        # Load balancer
│       └── single-sign-on # Single sign-on system
└── infrastructure  # First to be installed, essential Stackspin resources
    ├── cert-manager           # Let's Encrypt certificate generator
    ├── local-path-provisioner # (default) storage class to safe files on disk
    ├── namespaces             # namespaces used by Stackspin
    ├── nginx    # Ingress
    └── sources  # Helm repositories needed for HelmReleases from other folders