Docker/Dockercommands at develop · BecomeDevops/Docker · GitHub

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Docker -- Applications are today converted  in to docker images
                Dockerhub

DockerFile ------- DockerImage----------Container

Installation of Docker
--------------------

centos/linux ami
----------------
yum install docker

ubuntu
------
apt install docker.io

To check the docker version
-----------------------------
docker -v

To know more information about docker
------------------------------------
docker info

To know where docker is installed
------------------------------------
which docker


Go to DockerHub
-------------------
To pull/download the docker images locally

docker pull imagename

To view the downloaded docker images
------------------------------------
docker images

To run the docker image as a container
-------------------------------------
docker run -idt --name container-name image-name

To get inside a docker container
---------------------------------------
docker exec -it container-id bash

To view the Running Containers
------------------------------------------
docker ps


To view the Stopped + Running container
--------------------------------------------
docker ps -a


To stop a Running Docker container
----------------------------------------------
docker stop container-id


To start a Stopped Docker container
-----------------------------------------------
docker start container-id


To inspect a Docker container
----------------------------------------------
docker inspect container-d


To delete a container image, in case if it's not in use
------------------------------------------------------
docker rmi image-id

To remove a container
----------------------
docker rm container-id

vi Dockerfile

FROM ubuntu:latest
MAINTAINER becomedevops99@gmail.com
RUN apt update
RUN apt install git -y
RUN apt install nginx -y