Taewon's road not taken

“Images are Immutable and Containers are Ephemeral”

-i = interactively

-t = terminal

services

swarm

containers(Dockerfile)

delete previous docker before installing :

sudo yum remove docker docker-engine docker.io containerd runc

download docker convenience script : 

curl -fsSL https://get.docker.com -o get-docker.sh

sudo sh get-docker.sh

docker whael : 

sudo docker run docker/whalesay cowsay hello!

running container : 

docker ps 

remove a container : 

docker rm #name#

list images :

docker images

remove image :

docker rmi #ngnix#

download an image :

docker pull #ngnix#

(only downloads the image)

execute command : 

docker exec #distracted_mcclintock cat /etc/hosts

attach and detach :

docker run kodekloud/simple-webapp

docker run -d kodekloud/simple-webapp (background mode)

docker attach a034d (add images id)

Run a container with the nginx:1.14-alpine image and name it webapp:

docker run --name webapp nginx:1.14-alpine

tag :

docker run redis:4.0 (4.0 is the tag)

-i : interative mode

-t : terminal

inspect container : 

docker inspect #name#

container logs : 

docker logs #name#

How to create my own image? :

cmd vs terminal 

netwokr : 

docker compose : 

ONLY FOR SINGLE DOCKER HOST

Sample application - vote : 

docker registry : 

docker engine : 

docker swarm : 

kubernetes 쿠벌네틱스: