Dockerizing Development Eric Mann - Tozny 

–Jeremy Felt WordPress, meet Vagrant 

Varying Vagrant Vagrants What’s even better: it’s disposable! 

Evolution Bundles the WordPress development suite Keeps up-to-date with PHP and MySQL changes Empowers simple, local development complete with unit testing, runtime debugging, and even production-style caching Continues to evolve with contributions! 

Is it good enough? 

The Production Problem How are new servers spun up? How does new code get to the server? What happens when things go wrong? 

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Docker Build applications inside lightweight, distributable containers Isolate key infrastructure components: Web server Application Database Easily distribute development environments to the team 

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Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Parallel PHP Versions docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.3-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.4-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.5-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:5.6-fpm docker run -d --restart=always --net=host -v /srv/www:/srv/www 10up/php:7.0-fpm 

Map Application Ports upstream php { server localhost:9000; } 
 

Map Application Ports upstream php { server localhost:9000; } 
 upstream php53 { server localhost:9053; } 

Update Nginx location / { index index.php; try_files $uri $uri/ /index.php?$args; fastcgi_param ... # Use the upstream for php5-fpm fastcgi_pass php; ... } 

Update Nginx location / { index index.php; try_files $uri $uri/ /index.php?$args; fastcgi_param ... # Use the upstream for php5-fpm fastcgi_pass php56; ... } 

Cool! But why? 

Docker - Advantages Build applications inside lightweight, distributable containers Isolate key infrastructure components: Web server Application Database Easily distribute development environments to the team 

Docker - Advantages Keep your applications from colliding with one another Isolate key infrastructure components: Web server Application Database Easily distribute development environments to the team 

Docker - Advantages Keep your applications from colliding with one another Make everything a separate container: Web server Application Database Easily distribute development environments to the team 

Docker - Advantages Keep your applications from colliding with one another Make everything a separate container: Nginx + Varnish + Let’s Encrypt Application Database Easily distribute development environments to the team 

Docker - Advantages Keep your applications from colliding with one another Make everything a separate container: Nginx + Varnish + Let’s Encrypt PHP + WordPress/Drupal/Joomla/etc Database Easily distribute development environments to the team 

Docker - Advantages Keep your applications from colliding with one another Make everything a separate container: Nginx + Varnish + Let’s Encrypt PHP + WordPress/Drupal/Joomla/etc MySQL or Percona or Maria or RDS Easily distribute development environments to the team 

Docker - Advantages Keep your applications from colliding with one another Make everything a separate container: Nginx + Varnish + Let’s Encrypt PHP + WordPress/Drupal/Joomla/etc MySQL or Percona or Maria or RDS “Works on my machine” == “It works” 

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Source: rancher.com 

Questions? 

Dockerizing Development Eric Mann - Tozny