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Some of my web-based applications related to home automation are currently accessible via NGINX-based reverse-proxy container secured using Let's Encrypt free certificate running in Docker in a Debian VM.

Please note: this article doesn't cover installation and setup of following prerequisite components:

• linux server + docker engine
• nginx reverse proxy server + letsencrypt certificate
• router settings + domain name

Apache Guacamole

Now I've found Apache Guacamole Project, which absolutely fits to (almost) all my needs.

It is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. It is called clientless because no plugins or client software are required - thanks to HTML5, once Guacamole is installed on a server, all I need to access my systems is a HTML5 capable web browser.

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