Commands-step-wise.txt

# Copy docker installation script i.e .sh file to ec2 instance from local terminal
scp -i path/to/pem path/to/file username@PublicDNS:/home/username
sudo scp -i docker_s.pem /home/omen/docker-install.sh ubuntu@ec2-54-86-121-178.compute-1.amazonaws.com:/home/ubuntu

ssh-keygen -y -f filename.pem

# Initializing Docker Swarm 
sudo docker swarm init --advertise-addr 54.86.12

# Show docker swarm node
sudo docker node ls

# Runing vote app
docker stack deploy --compose-file docker-stack.yml vote
sudo docker service ls
sudo docker service ps 23j157yze86sqfhyjgjbos8me

sudo docker swarm leave --force
sudo docker node rm  -f nodename

# Get Join token 
sudo docker swarm join-token worker

# Deploy application on swarm cluster
sudo service create --name default-app --replicas 3 -p 80:80 nginx:latest

sudo docker service ls
sudo docker service ps 23j157yze86sqfhyjgjbos8me