Docker swarm

install docker-machine

curl -L https://github.com/docker/machine/releases/download/v0.10.0/docker-machine-`uname -s`-`uname -m` >/tmp/docker-machine &&
    chmod +x /tmp/docker-machine &&
    sudo cp /tmp/docker-machine /usr/local/bin/docker-machine

Create docker-machine

docker-machine create --driver virtualbox --virtualbox-memory "512" --virtualbox-disk-size "5000" node1

Setting memory and hardisk

• setting memory

--virtualbox-memory "512"

allocates 512MB memory

• setting hardisk

--virtualbox-disk-size "5000"

allocates 5000MB hardisk

Looking ip manager

ifconfig

Remote manager

docker-machine ssh node1

Looking token manager

docker swarm init --advertise-addr 192.168.99.1

The minion joined a swarm as a worker

docker swarm join \
    --token SWMTKN-1-34sz44qnbosozfm7j93dli2m4odcsl8f9zhdqmwrcqen3bewco-erlp1v07bdj1zq4pbrmccj7v8 \
    192.168.99.1:2377

Looking status swarm

docker node ls

Deploy service to Docker-Swarm

docker service create --name slims -p 8080:80 --replicas 2 amanu/slims_web:1.0

• Looking service

docker service ls

How to scale

docker service scale slims=8

• Looking service

docker service ls