Elysium

Services

Pi-hole

DNS + DHCP for LAN

Minecraft

Paper + Geyser/Floodgate

RomM

ROM manager + EmulatorJS

Cloudflare Tunnel

Outbound-only, no open ports

Samba

ROM library share

Monitoring

Health checks + Slack alerts + heartbeat

Architecture

Internet → Cloudflare Tunnel → RomM (Docker stack) LAN → Pi-hole, Minecraft, Samba

Network

Primary — Ethernet

Static IP · Auto-restore via NetworkManager dispatcher

Failover — WiFi

Static IP · Activates on ethernet loss, deactivates on restore

Monitoring

On-box health check every 60s via systemd timer. Slack alerts on state changes. External dead man's switch via healthchecks.io.

Ethernet state

WiFi failover

Pi-hole

Cloudflare Tunnel

Minecraft

Samba

RomM HTTP

Docker containers

Disk thresholds

Heartbeat (external)

Self-Healing

Power outage

Auto power-on via chipset register

Ethernet loss

WiFi failover via dispatcher

Service crash

systemd auto-restart

Container crash

Docker restart policy

Reboot

All services enabled, auto-start