server {
    listen 443 ssl;
    server_name matrixrtc.YOURDOMAIN.COM;

    http2 on;

    ssl_certificate /etc/letsencrypt/live/matrixrtc.YOURDOMAIN.COM/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/matrixrtc.YOURDOMAIN.COM/privkey.pem;

    gzip on;
    gzip_types text/plain text/css application/json application/javascript application/xml text/javascript;
    gzip_min_length 256;

    location / {
        proxy_pass http://127.0.0.1:7880;

       proxy_set_header Connection "upgrade";
       proxy_set_header Upgrade $http_upgrade;

       proxy_set_header Host $host;
       proxy_set_header X-Forwarded-Server $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;
    }
}