April 2025
Intermediate to advanced
328 pages
9h 3m
Italian
book
Kubernetes: Up and Running, 3a edizione
by Brendan Burns, Joe Beda, Kelsey Hightower, Lachlan Evenson
Content preview from Kubernetes: Up and Running, 3a edizione
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Capitolo 10. Implementazioni
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Finora hai visto come impacchettare le tue applicazioni come container, creare set replicati di container e utilizzare i controller Ingress per bilanciare il traffico verso i tuoi servizi. Puoi usare tutti questi oggetti (Pod, ReplicaSet e Servizi) per creare una singola istanza della tua applicazione. Tuttavia, non ti aiutano molto a gestire la cadenza giornaliera o settimanale del rilascio di nuove versioni della tua applicazione. Infatti, sia i Pod che i ReplicaSet dovrebbero essere legati a specifiche immagini di container che non cambiano.
L'oggetto Deployment esiste per gestire il rilascio di nuove versioni. I Deployments rappresentano le applicazioni distribuite in un modo che trascende ogni particolare versione. Inoltre, i Deployments ti permettono di passare facilmente da una versione del codice alla successiva. Questo processo di "rollout" è specificabile e accurato. Attende un intervallo di tempo configurabile dall'utente tra l'aggiornamento dei singoli Pod. Utilizza anche controlli di salute per assicurarsi che la nuova versione dell'applicazione funzioni correttamente e interrompe il deployment se si verificano troppi errori.
Utilizzando le distribuzioni, puoi distribuire nuove versioni del software in modo semplice e affidabile, senza tempi di inattività o errori. La meccanica del rollout del software ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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