Docker status
Check running containers
docker ps --format "table {{.Names}}\t{{.Status}}"
Nginx logs
Last 50 lines of nginx service
journalctl -u nginx -n 50 --no-pager
Disk & memory
Check disk space and RAM
df -h && free -m
Git pull deploy
Pull & restart PM2
cd /var/www/app && git pull && pm2 restart all
System uptime
Check server uptime
uptime -p