1.2 DockerStackCommands.txt

sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
 docker-compose --version

#docker-compose.yml
version: '3.3'

services:
   db:
     image: mysql:5.7
     volumes:
       - db_data:/var/lib/mysql
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: somewordpress
       MYSQL_DATABASE: wordpress
       MYSQL_USER: wordpress
       MYSQL_PASSWORD: wordpress

   wordpress:
     depends_on:
       - db
     image: wordpress:latest
     ports:
       - "8000:80"
     restart: always
     environment:
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_USER: wordpress
       WORDPRESS_DB_PASSWORD: wordpress
       WORDPRESS_DB_NAME: wordpress
volumes:
    db_data: {}


docker-compose up -d
docker container ls
docker-compose scale db=3
docker container ls
docker-compose down
docker container ls
cp docker-compose.yml stack.yml
docker stack --help
docker stack deploy -c stack.yml mystack
docker stack ls
docker stack services mystack
docker service ps mystack_db
docker service ps mystack_wordpress
docker network ls
docker stack ls
docker stack rm mystack