server {
        listen 443 ssl;
        listen [::]:443 ssl;
        server_name vmxyz.rz.uni-osnabrueck.de;

        ssl_certificate /pfad/zum/zertifikat/fullchain.pem;
        ssl_certificate_key /pfad/zum/zertifikat/privkey.pem;

        location / {
                proxy_pass http://localhost:8080; # Deine Node-App
        }
}