What is docker? Why it is used?

Question

Accepted Answer

Docker is a containerization platform used to package and run applications with their dependencies in isolated environments.

Docker allows applications to be packaged into containers, which are lightweight and portable.
Containers provide a consistent and reproducible environment for running applications.
Docker simplifies the deployment and scaling of applications by abstracting away the underlying infrastructure.
Docker enables efficient resource utilization by allowing multiple containers to run on a single host.
Docker facilitates the creation of microservices architecture by enabling the isolation and management of individual components.
Example: Running a web application in a Docker container with all its required dependencies.

Accepted Answer

Docker container used for containerization.