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DevOps Kubernetes
Chapter 1, Introduction to DevOps, walks you through the evolution from the past to
what we call DevOps today and the tools that you should know. Demand for people
with DevOps skills has been growing rapidly over the last few years. It has
accelerated software development and delivery speed and has also helped business
agility.
Chapter 2, DevOps with Container, helps you learn the fundamentals and container
orchestration. With the trend of microservices, container has been a handy and
essential tool for every DevOps because of its language agnostic isolation.
Chapter 3, Getting Started with Kubernetes, explores the key components and API
objects in Kubernetes and how to deploy and manage containers in a Kubernetes
cluster. Kubernetes eases the pain of container orchestration with a lot of killer
features, such as container scaling, mounting storage systems, and service discovery.
Chapter 4, Working with Storage and Resources, describes volume management and
also explains CPU and memory management in Kubernetes. Container storage
management can be hard in a cluster.
Chapter 5, Network and Security, explains how to allow inbound connection to access
Kubernetes services and how default networking works in Kubernetes. External
access to our services is necessary for business needs.
Chapter 6, Monitoring and Logging, shows you how to monitor a resource's usage at
application, container, and node level using Prometheus. This chapter also shows
how to collect logs from your applications, as well as Kubernetes with Elasticsearch,
Fluentd, and Kibana stack. Ensuring a service is up and healthy is one of the major
responsibilities of DevOps.
Chapter 7, Continuous Delivery, explains how to build a Continuous Delivery pipeline
with GitHub/DockerHub/TravisCI. It also explains how to manage updates,
eliminate the potential impact when doing rolling updates, and prevent possible
failure. Continuous Delivery is an approach to speed up your time-to-market.
Chapter 8, Cluster Administration, describes how to solve the preceding problems
with the Kubernetes namespace and ResourceQuota and how to do access control in
Kubernetes. Setting up administrative boundaries and access control to Kubernetes
cluster are crucial to DevOps.
Chapter 9, Kubernetes on AWS, explains AWS components and shows how to
provision Kubernetes on AWS. AWS is the most popular public cloud. It brings the
infrastructure agility and flexibility to our world.
Chapter 10, Kubernetes on GCP, helps you understand the difference between GCP
and AWS, and the benefit of running containerized applications in hosted service
from Kubernetes’ perspective. Google Container Engine in GCP is a managed
environment for Kubernetes.
Chapter 11, What’s Next?, introduces other similar technologies, such as Docker
Swarm mode, Amazon ECS, and Apache Mesos and you’ll have an understanding of
which the best approach is for your business. Kubernetes is open. This chapter will
teach you how to get in touch with Kubernetes community to learn ideas from
others.