January 2026
Intermediate to advanced
392 pages
9h 33m
French
book
Guide d'étude de l'administrateur Kubernetes certifié (CKA) (French Edition), 2nd Edition
by Benjamin Muschko
Content preview from Guide d'étude de l'administrateur Kubernetes certifié (CKA) (French Edition), 2nd Edition
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Chapitre 11. Déploiements et réplicasets
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L'un des gros points forts de Kubernetes, c'est qu'il permet de faire évoluer les applications en douceur et de gérer facilement la réplication. Pour ça, Kubernetes propose deux primitives : les déploiements ( ) et les réplicasets.
Dans ce chapitre, tu vas apprendre à créer un déploiement, qui utilise un ensemble de répliques en arrière-plan pour gérer et faire évoluer un groupe de pods identiques. Les déploiements facilitent aussi le déploiement des mises à jour de ton application et, si nécessaire, le retour à une version précédente, le tout avec un temps d'arrêt minimal et un contrôle maximal.
Travailler avec les déploiements
La primitive pour exécuter une application dans un conteneur est le pod. Utiliser une seule instance d'un pod pour faire tourner une application a ses inconvénients : ça représente un point de défaillance unique, car tout le trafic vers l'application passe par ce pod. Ce comportement est particulièrement problématique quand la charge augmente à cause d'une demande plus ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.