How to connect gitlab using custom port

General
1

Can anyone help me with connecting gitlab ce which is connected using the aws ec2 instance using the custom port instead of ssh port

2

git clone ssh://git@mydomain.example:[port]/path/to/project

or if you want it permanent add it into ~/.ssh/config file (create if needed)

Host mydomain.example
    User git
    Port 12345
3

Even after changing the port details in the configuration file as mentioned still not able to connect