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Drupal 7 & 8 development with Docker

Drupal 7 logo Docker logo Drupal 8 logo

Quick and easy to use Docker container for your local Drupal 7 & 8 development. It contains a LAMP stack and an SSH server, along with an up to date version of Drush. It is based on Wouter Admiraal but using an Ubuntu 14.04 as OS.

You will find two folders:

  • Drupal 7: Here you will find the image related to Drupal 7.X versions.
  • Drupal 8: Here you will find the image related to Drupal 8.X versions.

Summary

This image contains:

  • Apache 2.4
  • MySQL 5.5
  • PHP 5.6
  • Drush 7 or latest release of Drupal Console.
  • Drupal 7.x or 8.x
  • Composer
  • PHPMyAdmin

When launching, the container will contain a fully-installed, ready to use Drupal site.

Passwords

By defaults, the passwords are:

  • Drupal: admin:admin
  • MySQL: root:admin
  • SSH: root:root

Anyway, the passwords can be defined (see the installation section).

Exposed ports

  • 80 (Apache)
  • 22 (SSH)
  • 3306 (MySQL)

Installation

Github

This is the most powerful approach: you can customize your drupal docker image easily!

Clone the repository locally and build it:

git clone https://github.com/agomezmoron/docker-drupal.git
// building drupal8
cd docker-drupal-8
docker build -t yourname/drupal8 .
// building drupal7
cd docker-drupal-7
docker build -t yourname/drupal7 .

Important: This image was made to be used using docker 1.9 or higher. If your docker version is <1.9, so you will have to edit the Dockerfile removing the ARG sections. Here you can check the docker versions availables.

You can define some passwords (in case you want to have an image for production, for example). To do that you only has to set the variables in the docker build command (docker 1.9+):

docker build --build-arg MYSQL_ROOT_PASSWORD=admin,DRUPAL_ADMIN_PASSWORD=admin,SSH_ROOT_PASSWORD=root,DRUPAL_VERSION=7.44  -t yourname/drupal7 .

or

docker build --build-arg MYSQL_ROOT_PASSWORD=admin,DRUPAL_ADMIN_PASSWORD=admin,SSH_ROOT_PASSWORD=root,DRUPAL_VERSION=8.1.2  -t yourname/drupal8 .

Docker repository

Get the image:

The provided image is coming with the default versions described before.

docker pull agomezmoron/drupal7  (pending to be uploaded)
or
docker pull agomezmoron/drupal8  (pending to be uploaded)

Tags

Nowadays the only tag is the latest one.

Running it

For optimum usage, map some local directories to the container for easier development. I personally create at least a modules/ directory which will contain my custom modules. You can do the same for your themes.

The container exposes its 80 port (Apache), its 3306 port (MySQL) and its 22 port (SSH). Make good use of this by forwarding your local ports. You should at least forward to port 80 (using -p local_port:80, like -p 8080:80). A good idea is to also forward port 22, so you can use Drush from your local machine using aliases, and directly execute commands inside the container, without attaching to it.

Here's an example just running the container and forwarding localhost:8080 and localhost:8022 to the container:

docker run -d -p 8080:80 -p 8022:22 -t agomezmoron/drupal7

or

docker run -d -p 8080:80 -p 8022:22 -t agomezmoron/drupal8

Writing code locally

Here's an example running the container, forwarding port 8080 like before, but also mounting Drupal's sites/all/modules/custom/ folder to my local modules/ folder. I can then start writing code on my local machine, directly in this folder, and it will be available inside the container:

docker run -d -p 8080:80 -v `pwd`/modules:/var/www/sites/all/modules/custom -t agomezmoron/drupal7

or

docker run -d -p 8080:80 -v `pwd`/modules:/var/www/sites/all/modules/custom -t agomezmoron/drupal8

Using Drush

See in each Drupal versions how to perfom it.

Running tests

If you want to run tests, you may need to take some additional steps. Drupal's Simpletest will use cURL to simulate user interactions with a freshly installed site when running tests. This "virtual" site resides under http://localhost:[forwarded ip]. This gives issues, though, as the container uses port 80. By default, the container's virtual host will actually listen to any port, but you still need to tell Apache on which ports it should bind. By default, it will bind on 80 and 8080, so if you use the above examples, you can start running your tests straight away. But, if you choose to forward to a different port, you must add it to Apache's configuration and restart Apache. You can simply do the following:

# If you forwarded to another port than 8022, change accordingly.
# Password is "root" by default
ssh root@localhost -p 8022
# Change the port number accordingly. This example is if you forward
# to port 8081.
echo "Listen 8081" >> /etc/apache2/ports.conf
/etc/init.d/apache2 restart

Or, shorthand:

ssh root@localhost -p 8022 -C 'echo "Listen 8081" >> /etc/apache2/ports.conf && /etc/init.d/apache2 restart'

MySQL and PHPMyAdmin

PHPMyAdmin is available at /phpmyadmin. The MySQL port 3306 is exposed. The root account for MySQL is root (no password by default).