![]() ![]() The virtual environment has a hypervisor layer, whereas Docker has a Docker engine layer.In the image, you’ll notice some major differences, including: In addition, the environment itself is highly portable and was designed with efficiencies that will enable you to run multiple Docker containers in a single environment, unlike traditional virtual machine environments. You can use Docker throughout multiple stages of your DevOps cycle, but it is especially valuable in the deployment stage, especially since it allows developers to use rapid deployment. In addition, when you're building and testing the code, it's beneficial to have a container running the solution at those stages because you can validate your work in the same environment used for production. When you deploy your solution, you want to guarantee that the code tested will actually work in the production environment. ![]() In a DevOps life cycle, Docker really shines when used for deployment. The Docker container can be moved from environment to environment very easily. The container itself is a very lightweight package with all the instructions and dependencies-such as frameworks, libraries, and bins-within it. Docker is an OS virtualized software platform that allows IT organizations to quickly create, deploy, and run applications in Docker containers, which have all the dependencies within them. When getting started with Docker, we first need to understand Docker.
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