Vaultwarden Installation: Self-Hosted Passwort-Manager

version: '3.8'

services:
  vaultwarden:
    image: vaultwarden/server:latest
    container_name: vaultwarden
    restart: unless-stopped
    environment:
      DOMAIN: "https://vault.example.com"
      SIGNUPS_ALLOWED: "true"
      ADMIN_TOKEN: "starkes-admin-token-hier"
      WEBSOCKET_ENABLED: "true"
      LOG_LEVEL: "warn"
    volumes:
      - ./vw-data:/data
    ports:
      - "127.0.0.1:8080:80"
      - "127.0.0.1:3012:3012"

# Container starten
docker compose up -d

# Logs prüfen
docker logs vaultwarden -f

# Sicheres Admin-Token generieren
openssl rand -base64 48

# Sichereres Token mit Argon2-Hash (empfohlen)
docker run --rm -it vaultwarden/server /vaultwarden hash --preset owasp

server {
    listen 80;
    server_name vault.example.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name vault.example.com;

    ssl_certificate /etc/letsencrypt/live/vault.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/vault.example.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;

    client_max_body_size 128M;

    location / {
        proxy_pass http://127.0.0.1:8080;
        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;
    }

    location /notifications/hub {
        proxy_pass http://127.0.0.1:3012;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    location /notifications/hub/negotiate {
        proxy_pass http://127.0.0.1:8080;
    }
}

# Certbot installieren
apt install certbot python3-certbot-nginx -y

# SSL-Zertifikat erhalten
certbot --nginx -d vault.example.com

# Automatische Erneuerung testen
certbot renew --dry-run

# Registrierung nach der Einrichtung deaktivieren
SIGNUPS_ALLOWED=false

# Registrierung nur für bestimmte Domains erlauben
SIGNUPS_DOMAINS_WHITELIST=example.com,company.org

# Einladungssystem
INVITATIONS_ALLOWED=true

# E-Mail-Verifizierung
SIGNUPS_VERIFY=true

environment:
  SMTP_HOST: "smtp.gmail.com"
  SMTP_FROM: "vault@example.com"
  SMTP_PORT: "587"
  SMTP_SECURITY: "starttls"
  SMTP_USERNAME: "vault@example.com"
  SMTP_PASSWORD: "app-passwort"

# Benutzer per CLI einladen
docker exec vaultwarden /vaultwarden invite --email user@example.com

1. Bitwarden-App öffnen
2. Auf den Regionsauswähler im Anmeldebildschirm tippen
3. "Self-hosted" auswählen
4. Server-URL: https://vault.example.com
5. Speichern und anmelden

# Vaultwarden-Daten sichern
tar -czf vaultwarden-backup-$(date +%Y%m%d).tar.gz ./vw-data/

# Automatisches Backup-Skript
cat > /etc/cron.daily/vaultwarden-backup << 'EOF'
#!/bin/bash
BACKUP_DIR="/backups/vaultwarden"
mkdir -p $BACKUP_DIR
tar -czf $BACKUP_DIR/backup-$(date +%Y%m%d-%H%M%S).tar.gz /opt/vaultwarden/vw-data/
find $BACKUP_DIR -name "backup-*.tar.gz" -mtime +30 -delete
EOF
chmod +x /etc/cron.daily/vaultwarden-backup