⚙️ Configuration as Code

Puppet · Ansible · Terraform
— What's the difference and when to use what? —

FinistDevs · 2026

Arnaud Prémel-Cabic

Tech Lead @ OVHCloud

arnaud.premel-cabic@ovhcloud.com

"It works on my server."

Or: why doesn't it work here, when it works everywhere else?

You have a server. It works.

Great.

You have 10 servers.

Still manageable… but every small change means 10 SSH sessions, 10 vim edits, 10 chances to make a mistake.