raine - home server

Home server running on Ubuntu (hostname: raine, local IP: 10.0.0.100). Hosts personal websites, Gitea, and a NAS for local file sharing.

Architecture

                       Internet
                           │
                           ▼
                    ┌─────────────┐
                    │ Cloudflare  │  (terminates TLS, hides home IP)
                    └──────┬──────┘
                           │
                    encrypted tunnel
                           │
                           ▼
                    ┌─────────────┐
                    │ cloudflared │  (native systemd service)
                    │  (raine)    │
                    └──────┬──────┘
                           │ HTTP :80
                           ▼
                    ┌─────────────┐
                    │    Caddy    │  (Docker, reverse proxy)
                    │             │
                    └──┬───┬───┬──┘
                       │   │   │
          oversteep.com│   │   │git.chunli.net
                       │   │   └──────┐
                       ▼   ▼          ▼
              /srv/oversteep.com   ┌──────┐
              /srv/chunli.net      │Gitea │  (Docker, :3000)
              (static sites)       └──────┘

Local-only services (not exposed via tunnel):

Samba — serves /mnt/nas over the LAN for file sharing between Linux/Mac clients
SSH — on port 22, key auth only
Gitea SSH — on port 2222, for local git operations

Services

Native (systemd)

Service	Purpose
cloudflared	Cloudflare tunnel to the internet
smbd	Samba file sharing on LAN
ssh	Remote shell access on LAN

Docker (managed per-directory)

Service	Directory	Ports	Notes
caddy	`./caddy/`	80, 443	Reverse proxy, serves sites
gitea	`./gitea/`	3000, 2222	Self-hosted git, SQLite

Each service has its own compose.yml for independent management. They communicate over the Docker host network via host.docker.internal (configured in caddy's extra_hosts).

Domains

Domain	Points to
oversteep.com	Static site (Madison's)
chunli.net	Static site (personal)
git.chunli.net	Gitea via Caddy proxy

All domains go through the Cloudflare tunnel. Cloudflare handles TLS, so Caddy serves plain HTTP internally (the http:// prefix in the Caddyfile disables Caddy's automatic HTTPS).

Storage

/mnt/nas — 2TB ext4 drive (sda2), shared via Samba
- Owned by chun:nas, mode 775
- Users in the nas group have full read/write
- Folder layout: photos/, media/, files/
Future: add more drives + mergerfs + snapraid when prices drop

Backups

Important: Gitea's data/ directory contains repos, the SQLite database, and config. It's gitignored but needs a separate backup strategy.

(TODO: set up backup scheme)

Common tasks

# Restart a service
cd ~/docker/<service>
docker compose restart

# View logs
docker logs <container-name>

# Update a service to the latest image
cd ~/docker/<service>
docker compose pull
docker compose up -d

# Check what's running
docker ps

Gotchas

Caddy can't reach containers in other compose projects via localhost. Use host.docker.internal:<port> instead (requires extra_hosts: ["host.docker.internal:host-gateway"]).
Caddy must pass X-Forwarded-Proto: https to Gitea so it generates correct URLs (since Cloudflare terminates TLS, not Caddy).
Group changes don't apply to existing shell sessions. After usermod -aG, log out and back in.
NTFS/exFAT drives auto-mount as root. If you need user-level access, either sudo or remount with uid=1000,gid=1000.

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