DEVOPS

What Is a Playbook? A playbook is a YAML file describing automation tasks that Ansible executes on target hosts. Playbooks are reusable, version-controlled, and idempotent Simple Playbook Example Create: ---...

Why Roles? As playbooks grow, managing hundreds of tasks becomes difficult. Roles provide reusable, modular automation structures. Create a Role ansible-galaxy role init nginx Generated structure: nginx/ ├── defaults ├──...

Understanding Variables Variables make playbooks reusable across environments. They can be defined in playbooks, inventories, command-line arguments, and roles Variable Example --- - hosts: webservers vars: web_package: nginx tasks: -...

What is an Inventory? Ansible inventory is the list of servers, devices, and hosts that Ansible manages. Inventories can be static or dynamic. They may be written in INI or...

Introduction Ansible is one of the most popular Infrastructure as Code (IaC) and automation tools. It allows administrators to automate server configuration, software deployment, and repetitive operational tasks without installing...

Découvrez GitOps avec Argo CD : principes, architecture, déploiement Kubernetes, synchronisation et bonnes pratiques pour automatiser vos livraisons.

Introduction La configuration d'un cluster Kubernetes chez soi est un excellent moyen d'acquérir une expérience pratique avec l'orchestration de conteneurs. Que vous vous prépariez à des certifications comme la CKA...