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Production Deployment

Prerequisites

  • Node.js 20 LTS or later
  • systemd-based Linux distribution (Ubuntu, Debian, RHEL, etc.)

Installation

1. Create service user

sudo useradd --system --no-create-home --shell /usr/sbin/nologin superdash

2. Deploy application

sudo mkdir -p /opt/superdash
sudo cp -r . /opt/superdash/
sudo chown -R superdash:superdash /opt/superdash

3. Install dependencies

cd /opt/superdash
sudo -u superdash npm ci --production

4. Configure

sudo -u superdash cp config.example.json config.json
sudo -u superdash nano config.json  # Edit as needed

5. Install systemd unit

sudo cp deploy/superdash.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable superdash
sudo systemctl start superdash

Management

# Check status
sudo systemctl status superdash

# View logs
sudo journalctl -u superdash -f

# Restart after config change
sudo systemctl restart superdash

# Stop service
sudo systemctl stop superdash

Firewall

If using UFW:

sudo ufw allow 3050/tcp  # HTTP + WebSocket
sudo ufw allow 9000/tcp  # Ember+ (if needed externally)

Updating

cd /opt/superdash
sudo systemctl stop superdash
sudo -u superdash git pull
sudo -u superdash npm ci --production
sudo systemctl start superdash

Troubleshooting

Service fails to start

Check logs:

sudo journalctl -u superdash -n 50 --no-pager

Common issues:

  • Missing config.json — copy from example
  • Port already in use — check with ss -tlnp | grep 3050
  • Permission denied — verify ownership of /opt/superdash

Connection refused

Verify service is running and listening:

sudo systemctl status superdash
curl http://localhost:3050/health