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Advantages of Docker

  • lighter weight process
  • Easy and faster configuration
  • Infrastructure independent
  • Automated container creation
  • Container versioning
  • Container reuse

Docker Components

Using the dockerfile build the images and creating runtime containers. dockercomponents

Docker Engine

Docker Engine is a part of Docker which create and run the Docker containers.

DockerImage

A Docker Image is a read-only file with a bunch of instructions for creating a Docker container. Image contains the installations, applications code and dependencies.

DockerFile

Dockerfile is a simple text file that consists of instructions to build Docker images. DockerFile automates the process of Docker image creation.

Docker container

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

<- Back to Testing Applications - - Ahead to Docker adhoc commands