sudo apt-get update
sudo apt-get upgrade -y


sudo apt-get install docker.io -y


sudo usermod -aG docker $USER


docker pull nginx


docker run --name NGINX -p 80:80 nginx


docker run --name NGINX -p 8080:80 nginx


docker run --name NGINX -p 8080:80 -d nginx


docker ps -a


docker stop f9756e10a9d1
docker rm f9756e10a9d1


docker swarm init --advertise-addr 192.168.1.71


docker info


docker swarm join --token TOKEN 192.168.1.71:2377


docker info


docker node ls


docker service create -p 80:80 --name webserver nginx


ocker service ls


docker service scale webserver=3


docker service ps webserver


docker node promote dockernode1


docker node demote dockernode1


docker node promote dockernode1 dockernode2
docker node demote dockernode1 dockernode2


docker swarm leave


docker node rm dockernode2


docker swarm join --token TOKEN 192.168.1.71:2377


docker swarm leave --force
docker node ls