Mastering Kubernetes

Kubernetes: Overview and Working of all K8s Components

Medium 4 minutes

Kubernetes (often abbreviated asK8S), is a container orchestration platform for applications that run on containers. Kubernetes provides everything you need to support your complex container apps.

Extending GKE with ExternalDNS

Medium 7 minutes

When deploying a web application, it is preferable to use a name like hello.mycompany.com rather than 34.98.86.241. This requires configuring DNS records when you deploy your web application, which be done with the Kubernetes add-on ExternalDNS.

flant/shell-operator

GitHub 2 minutes

Shell-operator is a tool for running event-driven scripts in a Kubernetes cluster. This operator is not an operator for a particular software product such as prometheus-operator or kafka-operator.

Terraform vs Helm

Medium 4 minutes

In this post I will talk about my experience working with Terraform and kubernetes, some similarities, and the things that I liked about working with Terraform and kubernetes, and some best practices to work with Terraform and kubernetes.

One codebase, One helm repository

Medium 3 minutes

Helm is a package manager for kubernetes. It uses charts to define, install, and upgrade kubernetes applications. We depend on helm for all our deployments. We define one helm repo for each application deployment.

Istio Request Control with Envoy Filters — Request Headers

Medium 7 minutes

In microservices each service has it’s own task. To execute each task, microservices receive requests and each request may contain headers, body, or query strings. While changing any part of a request that you receive, you have to think twice.

CI/CD Pipeline Using Dynamic Distributed Cluster

Medium 2 minutes

1. Create a container image that has Linux and other basic configuration required to run Slave for Jenkins. ( example here we require kubectl to be configured ) 2. When we launch the job it should automatically starts job on slave based on the label provided for dynamic approach.

Understanding Basic Kubernetes Concepts II — Using Deployments To Manage Your Services…

itnext.io 6 minutes

This post is the second in a series of blog posts about basic Kubernetes concepts. In the first one I explained the concepts of Pods, Labels, and Replica Sets. In this post we will talk about Deployments.

Search Kubernetes World with GraphQL

Medium 6 minutes

Kubernetes world is full of relations between resources. Sometimes we need to search for an answer for simple question like “Which service is this container connected?”. We trace the relations with command tool or GUI tool like weaveworks scope, Lens and so on.

Portshift Unveils Security Framework for Kubernetes Environments

containerjournal.com 2 minutes

Portshift this week plans to launch a framework that promises to make it easier to identify potential security threats to Kubernetes clusters. Adapted from the ATT&CK cybersecurity framework created by MITRE, a non-profit that manages research centers on behalf of the U.S.

Setting up Highly Available Kubernetes Cluster

Medium 6 minutes

Multizone support is deliberately limited: a single Kubernetes cluster can run in multiple zones, but only within the same region (and cloud provider).

AWS Best practice for Amazon Elastic Kubernetes Service (EKS)

Medium 3 minutes

Ensure that AWS EKS security groups are configured to allow incoming traffic only on TCP port 443. Ensure that AWS EKS cluster end point access isn’t public and vulnerable to security risks.