Kubernetes - Introduction

We all know how containers are helping the world with their small sizes , easy to

scale and run any type of applications.  The major problem with the containers

are management and maintenance. How can we have same application running

in multiple containers are managed?. How can we have an application container

started automatically when existing container goes down?.

The answer is kubernetes. Kubernetes is a open source orchestration engine for

deployment, scaling , maintenance and management of containers or

containerized applications. Kubernetes built by google provides mechanism

for application deployment, scheduling , updating, maintenance and scaling.

One major advantage of the kubernetes is that it makes sure to manage the

containers to ensure that state of the cluster matches the user intentions.

So what does a kubernetes do?

The main purpose is to make it easier to organize and schedule your application

across a fleet of machines. At a high level we can think of this as an operating

system for your cluster. Basically it allows you not to worry about what type of

specific machine in your datacenter your application container is running.

It also provides health check facilities and scaling your application containers

based on load.

Kubernetes provides much of the same functionality as Infrastructure as a

Service APIs, but aimed at dynamically scheduled containers rather than

virtual machines, and as Platform as a Service systems, but with greater

flexibility, including:

mounting storage systems

distributing secrets

application health checking

replicating application instances

horizontal auto-scaling

naming and discovery

load balancing

rolling updates

resource monitoring

log access and ingestion

support for introspection and debugging, and

identity and authorization.  

More to Come,Happy learning :-)