To install Deployer, run next command in your project dir:
composer require --dev deployer/deployer
To initialize deployer in your project run:
Add next alias to your .bashrc file:
Deployer comes with autocomplete support for task names, options, and hosts.
Run the next command to add bash completion support:
dep completion bash > /etc/bash_completion.d/deployer
Make sure what your .bashrc file includes generated file in some way.