n8n Purpose n8n is the workflow automation tool used across the homelab. Runs as a single Deployment in the default namespace of the k3s cluster, fronted by Traefik, and is managed by ArgoCD. Dep...

Mosquitto MQTT Purpose Eclipse Mosquitto is the MQTT broker used by Home Assistant and other IoT devices in the homelab. Runs as a single Deployment in the default namespace of the k3s cluster. D...

MetalLB Bare-metal LoadBalancer implementation for the cluster — without it, Services of type LoadBalancer would sit in Pending forever since there’s no cloud provider to hand out external IPs. Ru...

Mailpit Purpose Mailpit is an SMTP catch-all test server with a web UI, used to catch outbound mail from other homelab apps during dev/test instead of sending real email. Runs in the default names...

Longhorn Distributed block storage for the cluster, installed via Helm (longhorn/longhorn, chart version 1.12.1) into longhorn-system. Node prerequisites Each node needs open-iscsi and nfs-commo...

Kafka Purpose A single-broker Apache Kafka cluster running in KRaft mode (no Zookeeper), plus kafka-ui for browsing topics/messages. Both run in the default namespace of the k3s cluster and are ma...

Home Assistant Purpose Home Assistant is the home automation hub for the homelab. Runs as a single Deployment in the default namespace of the k3s cluster, pinned to a specific node. Deployment ...

Grafana Purpose Grafana provides dashboards and visualization on top of the homelab’s Prometheus metrics. Runs as a single Deployment in the default namespace of the k3s cluster, fronted by Traefi...

Gluetun + Arr Stack VPN-gated download and media-management stack. A single Kubernetes Pod runs Gluetun (WireGuard/OpenVPN client) as a native sidecar alongside qBittorrent, Sonarr, Radarr, Prowla...

Gitea Actions Runner Purpose Self-hosted act_runner executing Gitea Actions CI/CD jobs for repos hosted at gitea.prod.iot-proxmox.net — including this doc site’s own build pipeline. Deployment ...