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Getting started with Compose and WordPress

Apr 9, 2016
Software Eng. in 🚀 tech

⚠️ This post is archived.

Quickstart: Docker Compose and WordPress

You can use Docker Compose to easily run WordPress in an isolated environment built with Docker containers. This quick-start guide demonstrates how to use Compose to set up and run WordPress. Before starting, you'll need to have Compose installed.

This tutorial has been taken from my latest pull request to the Docker Compose project. The pull request can be found at https://github.com/docker/compose/pull/3275.

The same document should also be available at https://docs.docker.com/compose/wordpress/.

Define the project

  1. Create an empty project directory.

    You can name the directory something easy for you to remember. This directory is the context for your application image. The directory should only contain resources to build that image.

    This project directory will contain a docker-compose.yaml file which will be complete in itself for a good starter wordpress project.

  2. Change directories into your project directory.

    For example, if you named your directory my_wordpress:

    $ cd my-wordpress/

  3. Create a docker-compose.yml file that will start your Wordpress blog and a separate MySQL instance with a volume mount for data persistence:

    version: '2' services: db: image: mysql:5.7 volumes:

    • "./.data/db:/var/lib/mysql" restart: always environment: MYSQL_ROOT_PASSWORD: wordpress MYSQL_DATABASE: wordpress MYSQL_USER: wordpress MYSQL_PASSWORD: wordpress

    wordpress: depends_on:

    • db image: wordpress:latest links:
    • db ports:
    • "8000:80" restart: always environment: WORDPRESS_DB_HOST: db:3306 WORDPRESS_DB_PASSWORD: wordpress

    The folder ./.data/db will be automatically created in the project directory alongside the docker-compose.yml which will persist any updates made by wordpress to the database.

Build the project

Now, run docker-compose up -d from your project directory.

This pulls the needed images, and starts the wordpress and database containers, as shown in the example below.

$ docker-compose up -d Creating network "my_wordpress_default" with the default driver Pulling db (mysql:5.7)... 5.7: Pulling from library/mysql efd26ecc9548: Pull complete a3ed95caeb02: Pull complete ... Digest: sha256:34a0aca88e85f2efa5edff1cea77cf5d3147ad93545dbec99cfe705b03c520de Status: Downloaded newer image for mysql:5.7 Pulling wordpress (wordpress:latest)... latest: Pulling from library/wordpress efd26ecc9548: Already exists a3ed95caeb02: Pull complete 589a9d9a7c64: Pull complete ... Digest: sha256:ed28506ae44d5def89075fd5c01456610cd6c64006addfe5210b8c675881aff6 Status: Downloaded newer image for wordpress:latest Creating my_wordpress_db_1 Creating my_wordpress_wordpress_1

Bring up WordPress in a web browser

If you're using Docker Machine, then docker-machine ip MACHINE_VM gives you the machine address and you can open http://MACHINE_VM_IP:8000 in a browser.

At this point, WordPress should be running on port 8000 of your Docker Host, and you can complete the "famous five-minute installation" as a WordPress administrator.

NOTE: The Wordpress site will not be immediately available on port 8000 because the containers are still being initialized and may take a couple of minutes before the first load.

Choose language for WordPress install
Choose language for WordPress install
WordPress Welcome
WordPress Welcome

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