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Last pushed: 9 months ago
Short Description
Demo application to learn docker swarm.
Full Description

docker-php-demo

Demo application to learn docker swarm. A simple PHP app running in an minimal apache container that will dump the timestamp and the hostname of the container.

Build the image locally:

docker build -t alpharecon19/docker-php-demo .

Create a new swarm:

docker swarm init --listen-addr {ip-address} --force-new-cluster --advertise-addr {ip-address}:2377

Get the other nodes to join the swarm (the same output as when you create the swam):

docker join --token {token} {ip-address}:2377

List the nodes in the swarm. Can only be run on the manager

docker node ls

Still on the manager host copy the contents of docker-compose.yml and run

docker stack deploy app -c docker-compose.yml
docker service ls
docker ps -a

There will be only one running instance. Now scale that to the rest of the swarm by replicating it across to 4 nodes.

docker service scale {serviceId}=4
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alpharecon19
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