DOCKER AND KUBERNETES FOR DUMMIES HOW TO
DOCKER AND KUBERNETES FOR DUMMIES SOFTWARE
DOCKER AND KUBERNETES FOR DUMMIES CODE

DOCKER AND KUBERNETES FOR DUMMIES SOFTWARE

Versioning: Docker also helps with versioning, as you can save different versions of software on repositories and check them out later if needed.

DOCKER AND KUBERNETES FOR DUMMIES CODE

How does Docker streamline the development process?Д¬I/CD: You can consistently test and deploy your code to different environments in the development process (staging, user acceptance testing, production) without the hassle of configuring various testing environments. It means no more 'It works on my machine' since all the developers are developing with the same stack maintained in the Docker file. 'What is an image, and why can it be a better fit than virtual machines? You might ask.' This term will make more sense as we move forward.Дocker is also great for developers. The Docker setup frees you from treating servers as pets, constantly monitored and cared for, to something more ephemeral It is okay if the image fails, you can just replace it. In this way, you do not have to worry about installing application dependencies or OS patches because they have already been configured in your Docker image. There is no need to worry about configuration because the image exists as an exact replica of the original configuration. When an image fails, you just upload a new one. Rather than running applications on virtual machines, you can upload Docker images to your server. How does Docker solve this? Docker to the rescue! Finding one faulty server in a room of hundreds can also be a troubleshooting nightmare. Some servers never receive updates and consequentially errors may arise which impact system performance. This can work, however the list of servers is shared between a team of people, and this list does not always stay up to date. Manually configuring these servers is not feasible, so many companies keep a list of servers that they programmatically update. You can see why this quickly becomes very complex. Each server has to have an OS installed, it needs upgrades and patches from time to time, and then dependencies for the applications each machine uses also have to be installed. For a business that uses hundreds of servers with a cluster of virtual machines for each of their platforms, maintaining these machines is a full-time job. The need for Docker arises from virtual machines on servers being used at large scales. How does Docker help create applications? Why Docker?

What is the difference between images and containers? What is the difference between a container and a VM?

DOCKER AND KUBERNETES FOR DUMMIES HOW TO

If you already know how to use Docker, consider reading my post about managing containers using Kubernetes. My goal of this post is to help the reader gain an understanding of what Docker is, to learn why enterprise teams are adopting it today, and how to get started using Docker. Knowing how to use Docker is a quintessential element of becoming a part of a modern development team. I never used Docker in college, and I actually never heard of it until I began researching the field of DevOps. Docker is one of those services that you always hear about but may have never used.

Docker and kubernetes for dummies