This is a guide to setup the guacamole service using docker compose and access the remote server from guacamole using the private ip address of the remote server.

Setting up the Guacamole service

Create env file similar to the one below

POSTGRES_PASSWORD='postgres_pass'
POSTGRES_USER='postgres_user'
GUACAMOLE_DOMAIN='yourdomain.com'
LETSENCRYPT_EMAIL='[email protected]'

Start the service

docker compose -f docker-compose.yml up -d

Run this to install tailscale in all the instances need to be a part of tailscale network

curl -fsSL https://tailscale.com/install.sh | sh

Login to tailscale account

tailscale login

Start tailscale

tailscale up

This will start the tailscale service and it will be accessible from the internet. You can access the service using the tailscale ip address which can be found in the tailscale dashboard or printed using the command tailscale ip.

Access the service using the tailscale ip address

Use the tailscale ip address and configure the guacamole service to use the tailscale ip address. This allows you to access the remote server from guacamole using the tailscale ip address.

Stop tailscale

tailscale down