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A Cloud Guru

Creating a Stack with Docker Compose

After a few months of debate, we’ve decided to set up a cooking blog. After researching different platforms, we've chosen Wordpress with MySQL. We have a swarm cluster already set up where we host customer sites. To make maintaining Wordpress easier, we’ve decided to set it up as a stack. We'll need to create the Docker Compose file, deploy the stack, and finish the Wordpress setup.

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Path Info

Level

Advanced

Duration

1h 30m

Published

Apr 03, 2019

Challenge

Complete the Swarm Setup

Get a join token:

[cloud_user@manager]$ docker swarm join-token worker

Add a worker node to the swarm:

[cloud_user@worker]$ docker swarm join --token [TOKEN] [MANAGER_PRIVATE_IP]:2377

Challenge

Create the Compose File

Create the compose file:

[cloud_user@manager]$ vi docker-compose.yml

docker-compose.yml:

version: '3'

services:
   db:
     image: mysql:5.7
     volumes:
       - db_data:/var/lib/mysql
     networks:
       mysql_internal:
         aliases: ["db"]
     environment:
       MYSQL_ROOT_PASSWORD: P4ssw0rd0!
       MYSQL_DATABASE: wordpress
       MYSQL_USER: wordpress
       MYSQL_PASSWORD: P4ssw0rd0!

   blog:
     depends_on:
       - db
     image: wordpress:latest
     networks:
       mysql_internal:
       wordpress_public:
     ports:
       - "80:80"
     environment:
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_USER: wordpress
       WORDPRESS_DB_PASSWORD: P4ssw0rd0!

volumes:
    db_data:
networks:
  mysql_internal:
    internal: true
  wordpress_public:

Challenge

Create the Wordpress Blog

Deploy the stack:

docker stack deploy --compose-file docker-compose.yml wp

Challenge

Complete the Wordpress Setup

Natviate to public IP of your manager node.

Fill out the form and complete the setup.

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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