<ip정보>

manage : 10.20.30.100
worker1 : 10.20.30.101
worker2 : 10.20.30.102

<ip 및 호스트네임 수정 >

-manager, worker 동일작업

vi /etc/netplan/00-installer-config.yaml
netplan apply
hostnamectl set-hostname (호스트명)
su 

<도커 설치>

-manager, worker 동일작업

root@tem:~# sudo apt-get update
root@tem:~# sudo apt-get install \\ca-certificates \\curl \\gnupg \\lsb-release
root@tem:~# curl -fsSL [<https://download.docker.com/linux/ubuntu/gpg>](<https://download.docker.com/linux/ubuntu/gpg>) | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

echo \\
"deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] [<https://download.docker.com/linux/ubuntu>](<https://download.docker.com/linux/ubuntu>) \\**

$(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

root@tem:~# sudo apt-get update
root@tem:~# sudo apt-get install docker-ce docker-ce-cli containerd.io
root@tem:~# docker -V
root@tem:~# systemctl restart docker
root@tem:~# systemctl enable docker

<docker compose설치>

sudo curl -L "<https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$>(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker-compose

<스웜 클러스터 구현>

**root@manager:~# docker swarm init --advertise-addr 10.20.30.100
=>**이때 발생하는 토큰을 복사해서 각 worker들에게 붙여넣기한다 
****root@manager:~# docker node ls
=>아래의 사진처럼 manager와 worker노드를 확인할 수 있다. 

<overlay 네트워크 생성>