Day 2 Docker

1..Docker

allows user to create , deploy and run applications

managing software packages called containers

It allows to break down application into small services.

It is an open platform for developing, and running applications.

2…containers

fully independent APP Run time environment

create – start – stop – restart – kill – start – pause – un pause -Stop – Remove

it simplify the build, test, deploy pipelines

have isolated libraries to run the application

3….Advantages

i. Ability to run anywhere

ii. Cost effective and fast deployment

iii. flexibility

iv. Security

v. Consistent and isolated environment

4..commands

1.docker exec — access the running container

2.docker ps — list the running container

3.docker rm — used to delete stopped container

4.docker version — get the currently installed version

5.docker pull –pull the images from the docker

6.docker run –create a container from an image

7.docker stop — stop running container

8.docker kill –kills the containers by stopping its execution immediately

9.docker ps -a —show all the running and exists containers

10.docker images — list all the stored docker images