pinggy.io alternative

I need someone who is experienced with Linux, Docker, SSH tunneling, reverse proxies, Let’s Encrypt, and sish to help me build a fully working self-hosted tunneling service like pinggy.io or ngrok, but on my own AWS server.

I already completed ~70% of the setup, but something is misconfigured with sish (SSH reverse tunnel not authenticating), so I need a professional to:

Your Tasks

1. Fix / Configure sish properly
• SSH server must bind to 0.0.0.0:4242
• Persistent SSH server key must load from deploy/keys
• Public key authentication must work (I will provide my local public key)
• Automatic random subdomain generation must work (*.zyppr.xyz)

2. Fix authentication issue
• SSH client is failing with → Permission denied (publickey)
• I need this resolved so I can run:

ssh -p 4242 -R0:localhost:8080 tcp@example.com


and instantly get a public HTTPS URL.

3. Ensure Nginx reverse proxy works
• Domain: example.com
• Wildcard SSL from Let’s Encrypt is already installed
• Nginx should forward *.zyppr.xyz → sish backend port 8080

4. Ensure tunnels resolve correctly