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It is a super powerful program that supports multiple platforms. It allows the development of modern applications with extensive and complex requirements and dependencies in isolated environments called containers.

How Docker works refers to a process that allows easy development and rapid deployment: it packages parts of code and its dependencies in smaller units called containers.

In Docker’s approach, these containers are called “container images.” These isolated environments are independent packages and provide flexibility. They can be individually tested and individually modified and used to modularize applications and systems and increase security levels.

Thanks to the architecture of Docker Engine, when running a Docker container, namespaces, control groups, and UnionFS are packaged in a wrapper called the container format.Currently, due to limitations of different technologies, the only supported container formats are library container.

Docker’s requirements are quite strict and configuration is a bit time-consuming. However, considering its functionality and plethora of features, it’s totally worth the time investment. First, there are separate configuration methods for Windows Home and Pro/Enterprise/Education.

Second, in order to begin the Docker installation process, one must ensure that their computer has the following capabilities: a virtual machine platform (such as Hyper-V) enabled in the BIOS and at Windows startup, and the Windows Subsystem for Linux.

After resolving any potential issues, you must install the tool, complete the initial configuration process, run the Docker test command to check whether the program can pull and run the image, and access its settings area. There you have to set the required parameters. Also, it’s important to remember that you must have administrator privileges every time you open a shell to execute a command.

All things considered, Docker is a very powerful and resource-rich application with many advantages. For example, you can easily and securely run multiple containers simultaneously on any given host. Additionally, you have the flexibility to develop applications and use Docker on your local data center, cloud provider, or a combination of both. Finally, for more information on how to get started with Docker, check out their page.