Docker – Working with Images

In this post, let’s play with images through a couple of tutorials.

  • [Tutorial 1] Create a Docker image (Ubuntu 20.04 + Python3) with a “hello-world” application written in Python.
  • [Tutorial 2] Create an nginx image and connect the host port to the nginx port in the container
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Kubernetes – Install and Test on CentOS8

This is how to install Kubernetes on the Linux machine (CentOS 8) – Master Node + Worker Node

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Docker – Install on CentOS 8

This tutorial shows how to install Docker on the Linux machine (CentOS 8). CentOS 8 uses DNF (Dandified yum) as a package manager.

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[Kubernetes] Services

A Service is an abstraction which defines a logical set of Pods and a policy by which to access them (sometimes this pattern is called a micro-service).

Through services, you can expose applications running in a pod.
Pods are created and deleted dynamically so that it is not practical to communicate with pods directly. A service expose a set of pods and provides the load-balancing of the traffic across them.

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Install Docker – Ubuntu

Installing Docker on Linux can be tricky. Follow the instructions step by step.

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