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Kubernetes para Iniciantes: Fundamentos e Práticas

Emerson Silva

Kubernetes: sua jornada para o controle e escalabilidade perfeitos de aplicativos em contêineres começa aqui.

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About

About

About the Book

O Kubernetes é uma plataforma de orquestração de contêineres de código aberto que ajuda na implantação, gerenciamento e escalabilidade de aplicativos em contêineres. É uma tecnologia essencial para quem trabalha com contêineres, DevOps e desenvolvimento de aplicativos modernos. Neste livro vamos abordar a teória e exemplos práticos para iniciantes.

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About the Author

Emerson Silva

Paulistano apaixonado por tecnologia e amante da automação. DevOps Engineer comprometido com o mundo Open Source e criatividade para superar desafios, até mesmo com uma gambiarra ocasional. ??️ #AutomatizeTudo #OpenSource

Contents

Table of Contents

Agradecimentos

  1. Sobre o Livro

Sobre o Autor

Antes de tudo, revisar algumas coisas

  1. O que é um Container
  2. Container vs Máquina Virtual
  3. Como uma imagem é construída
  4. Registry: onde as imagens ficam armazenadas
  5. Ciclo de vida de um container
  6. Exemplo prático
  7. Container Runtimes

Introdução ao Kubernetes

  1. O que é o Kubernetes
  2. Explorando o Passado
  3. Implantação Tradicional
  4. Implantação Virtualizada
  5. Implantação em Contêineres
  6. Por que usar o Kubernetes
  7. Os Limites do Kubernetes
  8. O ecossistema Kubernetes hoje
  9. Kubernetes vs outras soluções de orquestração

Arquitetura do Kubernetes

  1. Control Plane — O Cérebro do Cluster

Objetos no Kubernetes

  1. Pod
  2. Deployment
  3. ReplicaSet
  4. StatefulSet
  5. DaemonSet
  6. Service
  7. Ingress
  8. ConfigMap
  9. Secret
  10. PersistentVolume e PersistentVolumeClaim
  11. Init Containers
  12. Sidecar Containers
  13. Job e CronJob
  14. HorizontalPodAutoscaler (HPA)

Introdução à Linguagem YAML

  1. O que é YAML
  2. Estrutura básica do YAML
  3. Estrutura de um manifesto Kubernetes
  4. apiVersion — qual usar?
  5. Labels e Annotations
  6. Múltiplos objetos em um único arquivo
  7. O jeito tradicional: Client-Side Apply

Mão na Massa

  1. Formas de instalar o Kubernetes

Indo Além — Conceitos que Vale a Pena Conhecer

  1. Helm — O Gerenciador de Pacotes do Kubernetes
  2. RBAC — Controle de Acesso Baseado em Funções
  3. Gateway API — O Futuro do Ingress
  4. HPA — Escalando automaticamente com métricas

Certificações Kubernetes e Recursos da Comunidade

  1. Por que buscar uma certificação?

As certificações Kubernetes da Linux Foundation

  1. KCNA — Kubernetes and Cloud Native Associate
  2. CKA — Certified Kubernetes Administrator
  3. CKAD — Certified Kubernetes Application Developer
  4. CKS — Certified Kubernetes Security Specialist
  5. Comparativo das certificações
  6. Onde comprar e se preparar
  7. Killer.sh — O simulado mais próximo da prova real
  8. KubeAstronaut — O programa de elite da Linux Foundation
  9. Dicas para se preparar

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