Containers - DevOps Blog

Containers

A collection of 16 posts

What is 12-Factor App? Twelve Factor App Methodology Explained.

Twelve-Factor App

What is 12-Factor App? Twelve Factor App Methodology Explained.

In the past, standalone applications were the most common way to deliver software. These applications were installed and run on the user's local computer, without requiring external resources. However, over the years, there has been a significant increase in the use of web technologies, leading to the delivery of software

Docker Exec: How to Enter Into a Docker Container's Shell?

Docker Exec: How to Enter Into a Docker Container's Shell?

Docker is a platform that helps run applications inside containers. Once you have your application running in a container, you might want to carry out some tasks that require you to get inside the container. For example, you might want to modify files or directories, install new packages, or perhaps

Docker Containerization: Key Benefits and Use Cases

Containerization

Docker Containerization: Key Benefits and Use Cases

Containerization has revolutionized the way we deploy software. In this post, we will learn about containerization, its benefits, and its common uses. We will also see how it is related to Docker, a popular container platform. By the end, you will have a good understanding of containerization and its role

Complete Docker + Wasm Tutorial: From C++ Code to Wasm Container

Complete Docker + Wasm Tutorial: From C++ Code to Wasm Container

In our previous lesson, we talked about the Docker + Wasm integration. Theory is always helpful, but nothing beats experience! So let's demystify some concepts, by actually seeing all of this in action. What will we see? Well, pretty much everything. To learn more about Wasm, check out our video What

WebAssembly and Docker + Wasm

What Is WebAssembly and Docker + Wasm? An in-depth look.

On October 24th, 2022, we received some pretty big news: Docker got official support for running WebAssembly applications. But if you're unfamiliar with WebAssembly (also called Wasm), this might leave you confused. Why is this big news? What is Wasm? Why is it so important for Docker? Want the short

Kubernetes Terms: Pods, Containers, Nodes & Clusters

Kubernetes Terms: Pods, Containers, Nodes & Clusters

In DevOps, Kubernetes is a container orchestration tool. It is used to deploy & manage containerized applications in an automated way. Want to learn more about how Kubernetes works? Check out this video. So, what does the term “containerized” mean? A containerized application is an application that has been packaged as

Difference between Docker, LXC, and LXD Containers

What Is the Difference between Docker, LXC, and LXD Containers?

Imagine you're a developer, writing a cool app for Linux servers. But some people run Ubuntu 20.04 on their servers. Others run 22.04. Others run an entirely different operating system such as Red Hat Enterprise Linux. So how do you make sure your app runs well on each

What is GitOps?

What is GitOps and Why Developers Should Care?

GitOps is a methodology for deploying and managing software applications using Git. It is also referred to as "operations as code" or "code-driven operations," and it uses the principles of DevOps to streamline software updates across an organization. It basically uses a collaborative software development model involving Git and Kubernetes.

Overview of Docker

30,000 Feet Overview of Docker

If there’s one word that you hear no matter which developer circle you’re running with, it’s Docker. In a short time, Docker has managed to win over developers all over, thanks to its ability to smooth over most compatibility issues. So what exactly is Docker, and why

Ansible in DevOps

What is Ansible in DevOps and How it Works

In 2015, the world’s one of the leading open source solutions providers, Red Hat Inc. acquired Ansible, a software platform famous for its easy-to-use means for automation and development in the software powered organizations and loved by many IT people. Every company is a software-powered company these days, and

Kubernetes Concepts

Container orchestration

Kubernetes Concepts Explained!

With Docker, you can run a single instance of the application with a simple Docker run command. In this case, to run a Node JS based application, you run the docker run nodejs command. But that’s just one instance of your application on one Docker host. What happens when

Docker Introduction for Beginners

Docker certification

Docker Introduction For Beginners

Every company is dependent on software for innovation and one of the biggest innovations in the software development field was the invention of containers. The containers have changed the way the software is built and shipped these days. The company Docker took this route and made containers available for everyone.

Pods in Kubernetes

Container orchestration

What Are Pods in Kubernetes? A Quick Explanation (2023)

Here, we will take a look at PODS. POD introduction How to deploy a pod? Kubernetes doesn’t deploy containers directly on the worker node. * The containers are encapsulated into a Kubernetes object called POD. * A POD is a single instance of an application. * A POD is the smallest object