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hermes-config/skills/vps-reverse-proxy/references/vaultwarden.md
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2026-07-12 10:17:17 -04:00

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# Vaultwarden Deployment (VPS Reverse Proxy)
Deploy Vaultwarden on the home server, exposed through VPS reverse proxy. Follows the standard VPS reverse proxy pattern.
## Docker Compose
```yaml
# /opt/vaultwarden/docker-compose.yml
services:
vaultwarden:
image: vaultwarden/server:latest
container_name: vaultwarden
restart: unless-stopped
volumes:
- /mnt/seagate8tb/docker/vaultwarden:/data
ports:
- "127.0.0.1:8812:80"
environment:
- DOMAIN=https://vault.graj-media.com
- SIGNUPS_ALLOWED=true
- WEBSOCKET_ENABLED=true
- LOG_FILE=/data/vaultwarden.log
- LOG_LEVEL=warn
```
## Home Nginx Config
```nginx
server {
listen 3446 ssl;
server_name grajmedia.duckdns.org vault.graj-media.com;
ssl_certificate /etc/letsencrypt/live/grajmedia.duckdns.org/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/grajmedia.duckdns.org/privkey.pem;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers HIGH:!aNULL:!MD5;
client_max_body_size 128M;
location / {
proxy_pass http://127.0.0.1:8812;
proxy_http_version 1.1;
proxy_set_header 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 for live sync (browser extension)
location /notifications/hub {
proxy_pass http://127.0.0.1:8812;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
location /notifications/hub/negotiate {
proxy_pass http://127.0.0.1:8812;
proxy_http_version 1.1;
proxy_set_header Host $host;
}
}
```
## VPS Nginx Config
Standard HTTPS proxy pattern. Home nginx expects `Host: vault.graj-media.com` — use `$host` in `proxy_set_header`.
```nginx
server {
server_name vault.graj-media.com;
location / {
proxy_pass https://100.93.253.36:3446;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header 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 $scheme;
proxy_ssl_verify off;
proxy_read_timeout 86400;
proxy_buffering off;
}
listen 443 ssl;
ssl_certificate /etc/letsencrypt/live/vault.graj-media.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/vault.graj-media.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}
```
## SSL
```bash
certbot --nginx -d vault.graj-media.com --non-interactive --agree-tos --email admin@grajmedia.duckdns.org
```
## Post-Deploy
1. Go to https://vault.graj-media.com and create your account (signups enabled initially)
2. Install Bitwarden browser extension → Settings → Self-hosted → Server URL: `https://vault.graj-media.com`
3. **After account creation, disable signups and set admin token:**
```bash
# Disable signups
sudo docker stop vaultwarden
sudo sed -i 's/SIGNUPS_ALLOWED=true/SIGNUPS_ALLOWED=false/' /opt/vaultwarden/docker-compose.yml
# Generate admin token (argon2id hash — do NOT use plain text)
ADMIN_TOKEN=$(openssl rand -hex 32)
echo "Admin token (save this): $ADMIN_TOKEN"
HASHED=$(echo -n "$ADMIN_TOKEN" | argon2 "$(openssl rand -base64 32)" -e -id -k 65540 -t 3 -p 4 | grep 'Encoded:' | awk '{print $2}')
echo "ADMIN_TOKEN=$HASHED" | sudo tee -a /opt/vaultwarden/.env
sudo docker compose -f /opt/vaultwarden/docker-compose.yml up -d
```
Admin panel: https://vault.graj-media.com/admin — enter the raw admin token (not the hash) to authenticate.
4. **Bitwarden apps setup**: Desktop/Mobile → Settings gear ⚙️ → Self-hosted → Server URL: `https://vault.graj-media.com`. Browser extension → gear ⚙️ → Self-hosted environment → same URL.
## Pitfalls
- **WebSocket required for live sync**: Without `/notifications/hub` proxy, the browser extension won't receive real-time updates (password changes, new items from other devices). Always include both the `Upgrade` headers AND the `/notifications/hub/negotiate` endpoint.
- **Port conflict check**: Vaultwarden defaults to port 80 internally. Before deploying, check `docker ps` for port conflicts and pick an unused port for the host binding (used 8812 in this setup).