Step 1 has following commands:
git clone https://github.com/LeadCMS/leadcms.core.git
cd leadcms.core/docker-compose
And yet, step 2 starts with:
It causes error, because we're already in docker-compose folder from previous step.
Maybe, it's better to have Step 1 leading to the root folder:
git clone https://github.com/LeadCMS/leadcms.core.git
cd leadcms.core