Docker Magento 2
Docker & Programming tools

Docker Magento 2

November 11, 2017

This is the third Docker post in a row and the sequel to Docker WordPress. For this Docker Magento 2 development environment I chose the prepared containers from mageinferno, who published this tutorial: magento2-docker-compose.

Unlike setting up Docker for WordPress, there are a little more steps to achieve a working Docker Magento 2 development environment:

Setting up Docker Magento 2 development environment

Of course, first we need to create folder with a docker-compose.yml file with the following conent:

version: "3"

services:
  app:
    image: mageinferno/magento2-nginx:1.11-1
    links:
      - db
      - phpfpm
    volumes: &appvolumes
      - ~/.composer:/var/www/.composer
      - appdata:/var/www/html
      #- ./html/app/code:/var/www/html/app/code
      #- ./html/app/design:/var/www/html/app/design 
    ports:
      - 8000:80
    networks: &appnetworks
      - www

  phpfpm:
    image: mageinferno/magento2-php:7.0-fpm-1
    links:
      - db
    volumes: *appvolumes
    networks: *appnetworks

  db:
    image: percona:5.7
    volumes:
      - dbdata:/var/lib/mysql
    ports:
      - 8001:3306
    networks: *appnetworks
    environment:
      - MYSQL_ROOT_PASSWORD=magento2
      - MYSQL_DATABASE=magento2
      - MYSQL_USER=magento2
      - MYSQL_PASSWORD=magento2

  setup:
    image: mageinferno/magento2-php:7.0-fpm-1
    command: /usr/local/bin/mage-setup
    links:
      - db
    volumes: *appvolumes
    networks: *appnetworks
    environment:
      - M2SETUP_DB_HOST=db
      - M2SETUP_DB_NAME=magento2
      - M2SETUP_DB_USER=magento2
      - M2SETUP_DB_PASSWORD=magento2
      - M2SETUP_BASE_URL=http://magetest:8000/
      - M2SETUP_ADMIN_FIRSTNAME=Admin
      - M2SETUP_ADMIN_LASTNAME=User
      - M2SETUP_ADMIN_EMAIL=dummy@gmail.com
      - M2SETUP_ADMIN_USER=magento2
      - M2SETUP_ADMIN_PASSWORD=magento2
      - M2SETUP_CURRENCY=EUR
      - M2SETUP_LANGUAGE=en_US
      - M2SETUP_TIMEZONE=America/New_York
      - M2SETUP_USE_SAMPLE_DATA=FALSE
      - M2SETUP_USE_ARCHIVE=FALSE
      - M2SETUP_USE_COMPOSER_ENTERPRISE=FALSE
      - M2SETUP_VERSION=2.1.6

volumes:
  test:
  dbdata: 
  appdata:

networks:
  www:

Before starting the containers, we need to setup a Magento Marketplace authentication, which is needed to retrieve the Magento 2 files during the installation process. When you retrieve the mentioned username and password, put them in a file ~/.composer/auth.json on you  local machine. Content of this file should be like this:

{
    "http-basic": {
        "repo.magento.com": {
            "username": "MAGENTO_PUBLIC_KEY",
            "password": "MAGENTO_PRIVATE_KEY"
        }
    }
}

Now we are ready to run:

docker-compose run --rm setup

The images will now start downloading, and after that Magento 2 will be automatically installed with the help of composer.

Ok, now Magento is installed. But before we are ready to use those containers, we need to stop all the running containers and than uncomment the following two lines insed docker-compose.yml file:

- ./html/app/code:/var/www/html/app/code
- ./html/app/design:/var/www/html/app/design

Now we can use:

docker-compose up -d app

and the containers will start and be ready for usage.

OK, just some more tips for the Docker Magento 2 development environment

Where to put out customizations

All the customization has to be done through the volumes ./html/app/code and ./html/app/design. Try to avoid enabling (mounting) volume appdata (/var/www/html) because if you won’t have all the files in the mounted folder, that the container won’t see any files.

How to run Magento CLI tool

I usually first set an alias (you have to be in the directory where your docker-compose.yml file is located):

alias mage='docker-compose exec phpfpm'

And now all the magento CLI tools are accessed by

magento bin/magento [CLI-command]

Example:

mage bin/magento cache:flush
How to retrieve all the Magento 2 files (moving to production environment)

According to the mageinferno tutorial, you can use the following:

docker cp CONTAINERID:/var/www/html ./

Unfortunately, I was not able to achieve it, because of some permission problem popping out at some files, which terminated the copying process somewhere at ~50%. I found the following workaround:

  1. First, I logged into the running container (Explained in my previous post)
    docker exec -i -t [container ID] bash
  2. Compress the whole magento 2 folder (/var/www/html)
    tar -zcvf html.tar.gz html > /dev/null
  3. Exit the container
    exit
  4. And now copy the tar.gz file to my machine
    docker cp [container ID]:/var/www/html.tar.gz ./html.tar.gz
  5. Ta-daaaam: all the files are now in the retrieved archive file (html.tar.gz) ready to be moved to production environment

 

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