Docker: What is a container?

A Docker container is a standard unit of software that packages up code and all its dependencies so the containerized application will always run the same, quickly and reliably, regardless of the infrastructure. - begin2dev/technical-disclosure/tree/main/docker


What is a container?

Docker is a software platform that allows you to build, test, and deploy applications quickly.

Docker packages software into standardized units called containers that have everything the software needs to run including libraries, system tools, code, and runtime.

Using Docker, you can quickly deploy and scale applications into any environment and know your code will run.

Docker works by providing a standard way to run your code.

Docker is an operating system for containers. Similar to how a virtual machine virtualizes (removes the need to directly manage) server hardware, containers virtualize the operating system of a server.

Docker is installed on each server and provides simple commands you can use to build, start, or stop containers.

Docker is a must for any professional developer that wants to test and run applications in a production environment that could scale and be test in local environments.

Docker containers

A Docker container image is a lightweight, standalone, executable package of software that includes everything needed to run an application: code, runtime, system tools, system libraries and settings.

Container images become containers at runtime and in the case of Docker containers - images become containers when they run on Docker Engine. Available for both Linux and Windows-based applications, containerized software will always run the same, regardless of the infrastructure. Containers isolate software from its environment and ensure that it works uniformly despite differences for instance between development and staging.

Docker containers that run on Docker Engine

Source: What is a Container? |

To learn more about Docker and containers, you can visit GitHub - begin2dev/technical-disclosure - Docker Containers.

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