Docker helps developers build, share, run, and verify applications anywhere — without tedious environment configuration.

• Simply ⇒ Docker solves the problem of replicating the environment.

Table of contents

Use Cases of Docker

• Makes setup opensource projects set up locally
  • infact most open source projects have the dockerfile and docker-compose.yaml
• Dockerize your own application.
• Deploying applications via docker.

Containers

Allow you to package an application, along with all it’s dependencies and libraries, into a single unit that can run consistently on any machine with a container runtime, such as DOCKER.

What are inside Docker?

1. CLI
   1. command line interface which helps to interact with the docker engine or docker deamon.
   2. Docker engine
   3. Registry (docker hub)
      1. where we push images ( similar to GitHub)

Image vs Containers ( Buzzword)