Kluster setup and IaaC using argoCD

Initial setup

Requirements:

• A running k3s instance
• sealedsecrets deployed

Installing argo and the app-of-apps

kubectl apply -k infrastructure/argocd

This will install argocd and its CRDs in a dedicated namespace. The app-of-apps is configured under kluster-deployments/ and deployed as well. This will bootstrap all other apps, as described in ./kluster-deployments.

The app-of-apps will bootstrap a fully featured cluster with the following components

• postgres instance with backups
• backup of all nfs PVCs using restic
• traefik (along with metallb as a publicly accessible reverse proxy)
• an nfs-provisioner creating PVCs on-demand
• gitea
• a range of selfhosted apps:
  • nextcloud
  • jellyfin
  • adguard-home
  • homarr
  • homeassistant
  • immich
  • ...

Adding an application