Docker

Top Docker Interview Questions and Answers (2021)

Introduction to Docker:Docker is a very popular and powerful open-source containerization platform that is used for building, deploying, and running applications. Docker allows you to decouple the application/software from the underlying infrastructure. What is a Container?A container is a standard unit of software bundled with dependencies so that applications can be deployed fast and reliably …

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Is a Docker or Kubernetes certification worth it?

Sergey Nivens – Fotolia Evaluate Weigh the pros and cons of technologies, products and projects you are considering. Some DevOps professionals shun industry certifications. But in the cloud-native world, Docker and Kubernetes certifications make prospective job candidates stand out from the rest. By Bob Reselman Published: 20 May 2021 If you want to become a …

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Docker Certification for Developers – Is It Worth It

Not long ago, to have one or another service running on our local machines, we had to pollute our local operating systems by constantly installing/uninstalling large amounts of various software. Doesn’t matter what your main operating system is, I’m sure you had times when you were installing and configuring services such as Apache HTTP Web Server, MySQL database …

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Docker Certified Associate (DCA) – The Ultimate Certification Guide

Why Get a Docker Certification? With a rising pattern of organizations adopting Cloud services, Docker continues to gain popularity. At its core, Docker aids in containerization, that is, for the packaging of applications into modules that can easily be replicated and scaled independently. Unarguably, as more applications are moving to the cloud, being an expert …

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Docker Environment Variables: Setup and Configuration for Server Apps

Docker is an open-sourced project that uses containers instead of virtual machines to run server applications. This is a setup that uses fewer resources for development and hosting, so it’s no wonder that Docker is taking the development world by storm. You can even use Docker with ASP.NET, and of course, you can leverage Stackify’s Retrace with …

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Moving docker images from one container registry to another

How to copy Docker Hub images into your private Azure Container Registry (ACR). In a business, when consuming public docker images, you may want to sanitise them, running some processes before putting them to use. This process could be used for: Standardising configuration. Installing required software/packages. Checking for vulnerabilities and take snapshots of all dependency …

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