Chef describes infrastructure as cookbooks and recipes — install packages, template config files, restart services — with agents pulling from a central server. It competed with Puppet and later Ansible in the DevOpsPractices combining software development and IT operations — automation, CI/CD, and faster releases. wave. Example: a `webserver` cookbook ensures nginxA high-performance web server and reverse proxy — event-driven design for massive concurrency. is installed, `/etc/nginxA high-performance web server and reverse proxy — event-driven design for massive concurrency./nginxA high-performance web server and reverse proxy — event-driven design for massive concurrency..conf` is templated, and the service is running on every app node.

Chef brought idempotent, code-driven server configuration to production fleets.

It helped define infrastructure-as-code alongside Puppet and paved the way for Ansible and Terraform.