42. Docker Stack Part 1
Example 1:
-------------
vi example1.yml
version: "3.8"
services:
web_nginx:
image: nginx
ports:
"8080:80"
deploy:
mode: replicated
replicas: 3
busybox_untility:
image: radial/busyboxplus:curl
command: /bin/sh -c "while true; do sleep 10; done"
docker stack deploy -c example1.yml app1
docker stack ls
docker stack services app1
docker stack ps app1
docker stack rm app1
Example 2:
--------------
vi example2.yml
version: "3.8"
services:
web_nginx:
image: nginx
ports:
"8080:80"
deploy:
mode: replicated
replicas: 4
placement:
constraints:
"node.role!=manager"
preferences:
spread: node.labels.mynode
busybox_untility:
image: radial/busyboxplus:curl
command: /bin/sh -c "while true; do sleep 10; done"
docker stack deploy -c example2.yml app2
docker stack ls
docker stack services app2
docker stack ps app2
