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What is the error message you see in the browser when you try to go to your domain?
Did you create an A record for your domain that points to the IP address of your server running Central? - Getting a Web Address (Domain Name)
Everything shows fine as explained in the documentation when I run docker-compose ps. I was able to solve the issue, one must wait for the domain name to start pointing towards the IP Address of the droplet. So after setting the IP from the domain name providers to the droplet, I had to wait for some time then I used the ping command on my local terminal to verify that the domain is pointing towards the droplet IP before starting the installation. After the installation was done I cleared my browser cache and on reload everything was working perfectly fine.