# docker network list

docker network ls

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# enable swarm feature in docker

docker swarm init

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# docker service create

docker service create <image-name> <option>

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# example

docker service create alpine ping 8.8.8.8

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# docker manager join token

docker swarm join-manager manager

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#docker info

docker info

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#docker service create with replicas

docker service create --replicas <count> <image-name> <option>

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# example

docker service create --replicas 3 alpine ping 8.8.8.8 

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# docker service list node

docker service ls

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# docker service update service with replicas/ scaling

docker service update <service-id/service-name> --replicas <count>

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#Example

docker service update mqtt_client --replicas 3

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# docker node update role 

docker node update --role <manager/worker> <node-name>

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#Example

docker node update --role manager node2

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# adding user mod to docker or adding user to docker 

sudo usermod -aG docker <username>

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# get docker version

docker version

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