★
-f==>using a parallelism level of 10
ansible-playbook playbook.yml -f 10
★Ansible-Pull
＝＝＞checkout a repo of configuration instructions from git, and then run ansible-playbook against that content.
・it allows you to automatically deploy the latest code in your repository, even if the servers are different
・I find the fact that you don’t have to run a deploy step, other than just committing, completely magical.
＝＝＞これはいいの？
・