Super powered Drupal development with docker

Drupal and Docker
Super powered drupal development
MACIEJ.LUKIANSKI@DROPTICA.COM
How to use docker to make drupal development
easier, quicker and more productible

In June
drupalcamp.pl
WWW.DROPTICA.COMDocker and Drupal

Problems of a dev team
● Multiple stacks
○ php 5.2 - 7.x
○ Many libraries & versions
○ Apache Solr 4.x to 6.x
○ Redis, Memcached
○ MongoDB, Nodejs, Elasticsearch
○ other
● How to:
○ Onboard developers quickly
○ Deploy and maintain integrity of environments:
■ dev,
■ test,
■ test_feature_7773
■ stage,
■ stage2,
■ ….
■ prod
○ Test the environments?
○ Propagate changes of environments between
team?
● Complex projects
○ Systems with APIs
○ Microservices
○ Legacy systems on outdated stacks

Possible solutions
● Use everyone’s local setups and hope it works
● Manually configure, upgrade, downgrade on each machine
● Virtualbox (with Puppet/Chef/Ansible)
● Vagrant
● Remote workspaces
● DOCKER - yay!

Our docker benefits
● Very few deployment surprises
○ No more “It worked on my machine”
● ~ 500 hours a year saved:
○ Setting up a project takes 10 minutes (3-5 commands)
○ Test/Stage environments in few minutes
○ No more differences between environments
○ Simplicity of services that took time to set up (solr, elasticsearch, mongo, node, postgres, other)
● We are looking beyond
○ cross functional expert teams
○ microservices
○ other technologies
● Stacks generally work (developers program rather than fight the architecture)
○ All config in code

How we do it?
● boilerplate images
● docker-console (custom script)
● docker-compose

Docker compose
● simple config file
● starting images often
enough

Once you get
the hang of it..
SSL for free with
jrcs/letsencrypt-nginx-proxy-companion
Separate images for crons
Backup as a service from a
separate image (create once,
use always)
Apache Solr quickly
available and configured
also locally

Boilerplate images
● droptica/apache-php https://hub.docker.com/r/droptica/apache-php
● droptica/php-fpm https://hub.docker.com/r/droptica/php-fpm
● droptica/php-developer https://hub.docker.com/r/droptica/php-developer
● droptica/codecept https://hub.docker.com/r/droptica/codecept
● droptica/mailcatcher https://hub.docker.com/r/droptica/mailcatcher
● droptica/postfix https://hub.docker.com/r/droptica/postfix
● droptica/jmeter https://hub.docker.com/r/droptica/jmeter
● and more...

How do I develop?
Where is drush?
Where is mysqldump?
Where is a sass compiler?
And all other development tools?
Apache &
PHP
mysql
Apache
Solr
mailer backup
mongodb
docker-compose.yml

php-developer & docker-console
Apache &
PHP
mysql
php-developer
(developer container)
sample commands:
dcon drush uli
dcon drush cc all
dcon shell -s
Apache
Solr
mailer backup
other
1. drush
2. Sass (ruby gems etc)
3. npm, bower, fabric,
4. Other tools
gives you a server-like feeling

● understands docker-compose.yml
● Multiple pre-built commands
● Building workflows like lego
● Custom commands (in python)
Docker console ~$ pip install docker-console
An additional application which helps to
automate workflow using the
php-developer image

DEMO

Heavy equipment dealer website
● Drupal
● Redis for cache
● Search with solr
● Mongodb with some data from
other system

Demo dealer dev environment
Apache & PHP
(to serve drupal)
+ php libraries
for mongodb
mysql
Apache
Solr
mongodb
Admin panel
for mongo
(mogo-express)
redis

docker-compose.ym
l
web:
build: ./docker/custom_images/custom-web
volumes:
- ./docker/custom_config/apache2.conf:/etc/apache2/apache2.conf:ro
- ./docker/custom_config/default-vhost.conf:/etc/apache2/sites-enabled/000-default.conf
- ./app/web:/var/www/web
links:
- mysql:mysql
- mongo:mongo
- solr:solr
environment:
VIRTUAL_HOST: ddemo.dev,www.ddemo.dev
mysql:
image: mysql:5.6
volumes:
- ./app_data/database:/var/lib/mysql
- ./docker/custom_config/my.cnf:/etc/mysql/conf.d/custom.cnf:ro
solr:
image: solr:6
volumes:
- ./app_conf/solr_conf/ddemo_search/conf:/opt/solr/server/solr/ddemo_search/conf
- ./app_conf/solr_conf/ddemo_search/core.properties:/opt/solr/server/solr/ddemo_search/core.properties
- ./app_data/solr_data/ddemo_search:/opt/solr/server/solr/ddemo_search/data
ports:
- 8983:8983
mongo:
image: mongo
volumes:
- ./app_data/mongodb:/data/db
mongo-express:
image: mongo-express
links:
- mongo:mongo
ports:
- 8081:8081
redis:
image: redis
This is all it takes

New developer comes along
1. git pull git@git-url-to-the-repository
2. cd repository
3. docker-console up
Apache & PHP
+ php libraries for
mongodb
mysql
Apache Solr
mongodb
Admin
panel for
mongo
and presto
Redis
To import db, composer install, run updates etc:
1. fab get-dbases
2. Docker-console build Project set up and working

But where is the demo ??

This is too simple..
Show me more complex

Nginx to serve
Drupal
cron daily
cron alerts
cron html
printouts
Mailer
XML generator
Rabbitmq
tests
PHP
cron search api
cron emails
daily
DRUPAL
codebase
blackfire
cron emails
weekly
Nginx to serve
xml extracts
....
14 cron
containers
…..
Mailcatcher
Files
Mysql
Redis
Solr

Nginx for
drupal
cron daily
cron alerts
cron html
printouts
cron backup
Mailer
XML
generator
Rabbitmq
tests
cache warmerPHP
cron search
api
cron emails
daily
DRUPAL
codebase
blackfire
cron emails
weekly
AWS S3
Nginx for
xml
....
14 cron
containers
…..
Files
AWS
RDS
Redis
Solr
Mailchimp
php:
build: ./docker/Dockerfiles/custom-php
links:
- mysql:mysql
- solr:solr
- redis:redis
- mailcatcher:mailcatcher
- rabbit:rabbit
- blackfire:blackfire
php:
restart: always
build: ./docker/Dockerfiles/custom-php-prod
links:
- blackfire:blackfire
extra_hosts:
- "solr:${SOLR_HOST}"
- "mailcatcher:${MAILER_HOTS}"
- "rabbit:${RABBIT_HOST}"
dev
prod

cron daily
cron backup
XML
generator
PHP
MailerRabbitmq
cron emails
weekly
....
14 cron
containers
…..
AWS
RDS
Redi
s
Solr
Nginx PHP
Nginx
loadbalancer
cache warmer
Files
tests
Web
browsers

Additional Benefits
● Easy to see what environment consist of (all is in code)
● A move towards SOA (we do not care how solr or rabbitmq is set up)
● Great step towards microservices
● Upgrades of stack are a breeze (php5 -> php7 is a one line)
● Easier to explore technologies - “there is an image for that”

● don’t hold data in containers (map volumes or use docker volumes)
● don’t hold multiple services in one container
● do use code for config (Dockerfile, docker-compose)
Dos and don’ts

● github.com/droptica/docker-tutorial
How to start
● Use docker for services
solr:
image: solr.6
ports:
- 8983:8983
redis:
image: redis
● www.droptica.com/blog

Thank you
Imię i Nazwisko autora
Maciej Lukianski
maciej.lukianski@droptica.com
@MaciejLukianski
Contact details:
WWW.DROPTICA.COM

Super powered Drupal development with docker

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