# OmniRoute — Deployment Guide on VM with Cloudflare (Dansk)

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---

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Komplet vejledning til installation og konfiguration af OmniRoute på en VM (VPS) med et domæne, der administreres via Cloudflare.

---

## Forudsætninger

| Element    | Minimum                    | Anbefalet        |
| ---------- | -------------------------- | ---------------- |
| **CPU**    | 1 vCPU                     | 2 vCPU           |
| **RAM**    | 1 GB                       | 2 GB             |
| **Disk**   | 10 GB SSD                  | 25 GB SSD        |
| **OS**     | Ubuntu 22.04 LTS           | Ubuntu 24.04 LTS |
| **Domæne** | Registreret hos Cloudflare | —                |
| **Docker** | Docker Engine 24+          | Docker 27+       |

**Testede udbydere**: Akamai (Linode), DigitalOcean, Vultr, Hetzner, AWS Lightsail.

---

## 1. Konfigurer VM'en

### 1.1 Opret instansen

Hos din foretrukne VPS-udbyder:

- Vælg Ubuntu 24.04 LTS
- Vælg minimumsabonnementet (1 vCPU / 1 GB RAM)
- Angiv en stærk root-adgangskode, eller konfigurer en SSH-nøgle
- Notér den **offentlige IP-adresse** (f.eks. `203.0.113.10`)

### 1.2 Opret forbindelse via SSH

```bash
ssh root@203.0.113.10
```

### 1.3 Opdater systemet

```bash
apt update && apt upgrade -y
```

### 1.4 Installer Docker

```bash
# Installer afhængigheder
apt install -y ca-certificates curl gnupg

# Tilføj det officielle Docker-arkiv
install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
chmod a+r /etc/apt/keyrings/docker.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $ (. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
apt update
apt install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
```

### 1.5 Installer nginx

```bash
apt install -y nginx
```

### 1.6 Konfigurer firewall (UFW)

```bash
ufw default deny incoming
ufw default allow outgoing
ufw allow 22/tcp    # SSH
ufw allow 80/tcp    # HTTP (omdirigering)
ufw allow 443/tcp   # HTTPS
ufw enable
```

> **Tip**: For maksimal sikkerhed bør du begrænse port 80 og 443 til kun at acceptere Cloudflare-IP-adresser. Se afsnittet [Avanceret sikkerhed](#advanced-security).

---

## 2. Installer OmniRoute

### 2.1 Opret konfigurationsmappen

```bash
mkdir -p /opt/omniroute
```

### 2.2 Opret filen med miljøvariabler

```bash
cat > /opt/omniroute/.env << 'EOF'
# === Sikkerhed ===
JWT_SECRET=CHANGE-TO-A-UNIQUE-64-CHAR-SECRET-KEY
INITIAL_PASSWORD=YourSecurePassword123!
API_KEY_SECRET=REPLACE-WITH-ANOTHER-SECRET-KEY
STORAGE_ENCRYPTION_KEY=REPLACE-WITH-THIRD-SECRET-KEY
STORAGE_ENCRYPTION_KEY_VERSION=v1
MACHINE_ID_SALT=CHANGE-TO-A-UNIQUE-SALT
OMNIROUTE_WS_BRIDGE_SECRET=REPLACE-WITH-WS-BRIDGE-SECRET  # PÅKRÆVET i produktion: bruges af Codex Responses WS bridge

# === App ===
PORT=20128
NODE_ENV=production
HOSTNAME=0.0.0.0
DATA_DIR=/app/data
APP_LOG_TO_FILE=true
AUTH_COOKIE_SECURE=true
REQUIRE_API_KEY=false

# === URL'er (skift til dit domæne) ===
# Intern server-til-server-basis-URL til planlagte job / selvhentninger.
BASE_URL=http://127.0.0.1:20128
# Browservendt URL, der bruges til OAuth-callbacks, links til kontrolpanelet og genererede offentlige URL'er.
NEXT_PUBLIC_BASE_URL=https://llms.seudominio.com
# Valgfri eksplicit tilsidesættelse af offentlig origin til genererede offentlige aktiv-URL'er.
# OMNIROUTE_PUBLIC_BASE_URL=https://llms.seudominio.com

# === Synkronisering med skyen (valgfrit) ===
# CLOUD_URL=https://cloud.omniroute.online
# NEXT_PUBLIC_CLOUD_URL=https://cloud.omniroute.online
EOF
```

> ⚠️ **VIGTIGT**: Generér unikke hemmelige nøgler! Brug `openssl rand -hex 32` til hver nøgle.

### 2.3 Start containeren

```bash
docker pull diegosouzapw/omniroute:latest

docker run -d \
  --name omniroute \
  --restart unless-stopped \
  --env-file /opt/omniroute/.env \
  -p 20128:20128 \
  -v omniroute-data:/app/data \
  diegosouzapw/omniroute:latest
```

### 2.4 Bekræft, at den kører

```bash
docker ps | grep omniroute
docker logs omniroute --tail 20
```

Den bør vise: `[DB] SQLite database ready` og `listening on port 20128`.

---

## 3. Konfigurer nginx (reverse proxy)

### 3.1 Generer SSL-certifikat (Cloudflare Origin)

I Cloudflare-dashboardet:

1. Gå til **SSL/TLS → Origin Server**
2. Klik på **Create Certificate**
3. Behold standardindstillingerne (15 år, \*.yourdomain.com)
4. Kopiér **Origin Certificate** og **Private Key**

```bash
mkdir -p /etc/nginx/ssl

# Indsæt certifikatet
nano /etc/nginx/ssl/origin.crt

# Indsæt den private nøgle
nano /etc/nginx/ssl/origin.key

chmod 600 /etc/nginx/ssl/origin.key
```

### 3.2 Nginx-konfiguration

```bash
cat > /etc/nginx/sites-available/omniroute << 'NGINX'
# Standardserver — blokerer direkte adgang via IP
server {
    listen 80 default_server;
    listen [::]:80 default_server;
    listen 443 ssl default_server;
    listen [::]:443 ssl default_server;
    ssl_certificate     /etc/nginx/ssl/origin.crt;
    ssl_certificate_key /etc/nginx/ssl/origin.key;
    server_name _;
    return 444;
}

# OmniRoute — HTTPS
server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name llms.yourdomain.com;  # Skift til dit domæne

    ssl_certificate     /etc/nginx/ssl/origin.crt;
    ssl_certificate_key /etc/nginx/ssl/origin.key;
    ssl_protocols TLSv1.2 TLSv1.3;

    client_max_body_size 100M;

    location / {
        proxy_pass http://127.0.0.1:20128;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # WebSocket-understøttelse
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # SSE (Server-Sent Events) — streamede AI-svar
        proxy_buffering off;
        proxy_cache off;
        proxy_read_timeout 600s;
        proxy_send_timeout 600s;
    }
}

# HTTP → HTTPS-omdirigering
server {
    listen 80;
    listen [::]:80;
    server_name llms.yourdomain.com;
    return 301 https://$server_name$request_uri;
}
NGINX
```

Sørg for, at reverse proxyens streaming-timeouts er afstemt med dine timeout-miljøvariabler for OmniRoute. Hvis du øger
`FETCH_TIMEOUT_MS` / `STREAM_IDLE_TIMEOUT_MS`, skal du øge `proxy_read_timeout` / `proxy_send_timeout`
til over den samme grænse.

OmniRoute bruger `NEXT_PUBLIC_BASE_URL` som den kanoniske browservendte origin til OAuth-
callbacks og genererede offentlige links. Autentificerede skrivehandlinger i dashboardet bruger anmodninger med samme origin
samt sessionsbundet CSRF-beskyttelse, så de kræver ikke en statisk offentlig basis-URL. Ovenstående
`X-Forwarded-*`-headere er stadig nyttige routingmetadata, men de erstatter ikke
angivelsen af den eksplicitte offentlige URL, når OAuth eller genererede browserlinks kræver en. Aktivér kun
`OMNIROUTE_TRUST_PROXY`, hvis OmniRoute ikke kan tilgås direkte af klienter, og din proxy
fjerner/genopbygger indgående forwarded-headere.

### 3.3 Aktivér og test

```bash
# Fjern standardkonfigurationen
rm -f /etc/nginx/sites-enabled/default

# Aktivér OmniRoute
ln -sf /etc/nginx/sites-available/omniroute /etc/nginx/sites-enabled/omniroute

# Test og genindlæs
nginx -t && systemctl reload nginx
```

---

## 4. Konfigurer Cloudflare DNS

### 4.1 Tilføj DNS-post

I Cloudflare-kontrolpanelet → DNS:

| Type | Navn   | Indhold                | Proxy      |
| ---- | ------ | ---------------------- | ---------- |
| A    | `llms` | `203.0.113.10` (VM-IP) | ✅ Proxied |

### 4.2 Konfigurer SSL

Under **SSL/TLS → Overview**:

- Tilstand: **Full (Strict)**

Under **SSL/TLS → Edge Certificates**:

- Brug altid HTTPS: ✅ Til
- Minimum TLS-version: TLS 1.2
- Automatiske HTTPS-omskrivninger: ✅ Til

### 4.3 Test

```bash
curl -sI https://llms.seudominio.com/health
# Bør returnere HTTP/2 200
```

---

## 5. Drift og vedligeholdelse

### Opgrader til en ny version

```bash
docker pull diegosouzapw/omniroute:latest
docker stop omniroute && docker rm omniroute
docker run -d --name omniroute --restart unless-stopped \
  --env-file /opt/omniroute/.env \
  -p 20128:20128 \
  -v omniroute-data:/app/data \
  diegosouzapw/omniroute:latest
```

### Se logfiler

```bash
docker logs -f omniroute          # Realtidsstream
docker logs omniroute --tail 50   # Seneste 50 linjer
```

### Manuel sikkerhedskopiering af databasen

```bash
# Kopiér data fra diskenheden til værten
docker cp omniroute:/app/data ./backup-$(date +%F)

# Eller komprimer hele diskenheden
docker run --rm -v omniroute-data:/data -v $(pwd):/backup \
  alpine tar czf /backup/omniroute-data-$(date +%F).tar.gz /data
```

### Gendan fra en sikkerhedskopi

```bash
docker stop omniroute
docker run --rm -v omniroute-data:/data -v $(pwd):/backup \
  alpine sh -c "rm -rf /data/* && tar xzf /backup/omniroute-data-YYYY-MM-DD.tar.gz -C /"
docker start omniroute
```

---

## 6. Avanceret sikkerhed

### Begræns nginx til Cloudflare-IP-adresser

```bash
cat > /etc/nginx/cloudflare-ips.conf << 'CF'
# Cloudflare IPv4-intervaller — opdater regelmæssigt
# https://www.cloudflare.com/ips-v4/
set_real_ip_from 173.245.48.0/20;
set_real_ip_from 103.21.244.0/22;
set_real_ip_from 103.22.200.0/22;
set_real_ip_from 103.31.4.0/22;
set_real_ip_from 141.101.64.0/18;
set_real_ip_from 108.162.192.0/18;
set_real_ip_from 190.93.240.0/20;
set_real_ip_from 188.114.96.0/20;
set_real_ip_from 197.234.240.0/22;
set_real_ip_from 198.41.128.0/17;
set_real_ip_from 162.158.0.0/15;
set_real_ip_from 104.16.0.0/13;
set_real_ip_from 104.24.0.0/14;
set_real_ip_from 172.64.0.0/13;
set_real_ip_from 131.0.72.0/22;
real_ip_header CF-Connecting-IP;
CF
```

Tilføj følgende til `nginx.conf` i `http {}`-blokken:

```nginx
include /etc/nginx/cloudflare-ips.conf;
```

### Installer fail2ban

```bash
apt install -y fail2ban
systemctl enable fail2ban
systemctl start fail2ban

# Kontrollér status
fail2ban-client status sshd
```

### Bloker direkte adgang til Docker-porten

```bash
# Forhindr direkte ekstern adgang til port 20128
iptables -I DOCKER-USER -p tcp --dport 20128 -j DROP
iptables -I DOCKER-USER -i lo -p tcp --dport 20128 -j ACCEPT

# Gør reglerne permanente
apt install -y iptables-persistent
netfilter-persistent save
```

---

## 7. Implementer på Cloudflare Workers (valgfrit)

Til fjernadgang via Cloudflare Workers (uden at eksponere VM'en direkte):

```bash
# I det lokale repository
cd omnirouteCloud
npm install
npx wrangler login
npx wrangler deploy
```

Se også [TUNNELS_GUIDE.md](./TUNNELS_GUIDE.md) for en gennemgang af Cloudflare Tunnel i repositoriet. Den selvstændige `omnirouteCloud/`-worker findes i et separat ledsagende repository.

---

## Portoversigt

| Port  | Tjeneste    | Adgang                    |
| ----- | ----------- | ------------------------- |
| 22    | SSH         | Offentlig (med fail2ban)  |
| 80    | nginx HTTP  | Omdirigering → HTTPS      |
| 443   | nginx HTTPS | Via Cloudflare Proxy      |
| 20128 | OmniRoute   | Kun localhost (via nginx) |

## Optimering til lav hukommelse / lille VPS

Til installationer på små VPS-instanser (1 GB RAM eller mindre):

- **Deaktivér baggrundstjenester** — indstil `OMNIROUTE_DISABLE_BACKGROUND_SERVICES=1` for at springe planlæggeren, MCP-serveren og periodiske vedligeholdelsesopgaver over. Se `docs/reference/ENVIRONMENT.md`.
- **Brug SQLite WAL-tilstand** — aktiveret som standard og reducerer det maksimale hukommelsesforbrug under samtidige læsninger.
- **Begræns V8-heapen** — indstil `OMNIROUTE_MEMORY_MB` (f.eks. `512`), så runtime-miljøet ikke kalibrerer en grænse, der er større end VM'en. Se `docs/reference/ENVIRONMENT.md`.
- **Adgangskontrol for tunge anmodninger skaleres automatisk med heapgrænsen** -- når `OMNIROUTE_MEMORY_MB` er indstillet som ovenfor, afledes bytebudgettet for indgående data (`OMNIROUTE_CHAT_MAX_INFLIGHT_BYTES`) fra den samme grænse. Derfor får en VM med begrænset hukommelse allerede et mindre budget til samtidige anmodninger uden yderligere finjustering. Overskydende anmodninger modtager en `503`, der kan forsøges igen, med `Retry-After` i stedet for at konkurrere om hukommelsen. Indstil kun den ældre grænse for antal anmodninger, `OMNIROUTE_CHAT_MAX_HEAVY_IN_FLIGHT`, hvis du har brug for en fast øvre grænse derudover.
- **Undgå `next build` på VPS'en** — byg lokalt, og installér det selvstændige output (`.next/standalone/`).
- **Overvåg med `top` / `free -m`** — OmniRoute bruger typisk 200-400 MB RSS i inaktiv tilstand på en VM med 1 GB.