fix: images path

[KlimDos]

let's avoid confusions like below:

I'm following your tutorial to get Jenkins and Docker running. I have followed every step as described but when I get to the point to run "docker-compose -f ./docker-compose.ci.yml up", I get the following error:
Get http://localhost:5000/v2/: dial tcp 127.0.0.1:5000: connect: connection refused