PRACTICAL USE OF DOCKER Development environment with docker on a Php project example Vasilache Veaceslav | [email protected] Sr. Php Developer, Amdaris © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | Agenda Docker. Short introduction Overview of usage in different areas Why do we need it on development machine Sample implementation / Demo app Questions / Discussion © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | Docker. Short introduction Image Containers © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | Docker. Short introduction (images) Image Containers © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | Docker. Short introduction Client Hosts Registries © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | Usages Development In Development environment Live environments Scale up Deploy & Scale up Live environment, instances in and deployment swarms © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | Usages. Environments © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | … as development environment ● Simple configuration & Usage ● Configure once & replicate as needed ● Keep developers machine clean ● Easy upgrade or apply changes © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | … as development environment Simple configuration & Usage ● Dockerfile ● Docker-compose file © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 Sample of Dockerfile FROM centos:centos7 # Prepare the remi repos for php7.2 RUN yum install -y epel-release deltarpm RUN yum update -y epel-release # Install remi repos & required packages RUN yum install -y httpd php php-gd php-mbstring php-mysql php-xml php-xdebug php-gmp php-opcache php-apcu ghostscript ImageMagick cronie mod_ssl openssl sendmail sendmail-cf mailx \ git mc wget nano python-setuptools curl RUN easy_install supervisor # Crontab related files ADD crontab /etc/cron.d/website_crontab_dev RUN chmod 0644 /etc/cron.d/website_crontab_dev # PHP pdf lib related files ADD pdflib/* /pdflib # HTTPD related files ADD httpd.conf/*.conf /etc/httpd/conf.d/ ADD xdebug/xdebug.ini /etc/php.d/xdebug.ini COPY ssl/ca.crt /etc/pki/tls/certs/ca.crt # Startup Scripts COPY supervisord.conf /etc/supervisor/supervisord.conf COPY scripts/*.sh /scripts/ RUN chmod 775 /scripts/*.sh EXPOSE 80 443 9001 25 587 RUN /run-create-user.sh CMD ["/startup.sh"] © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 Sample of Dockerfile [xdebug.ini] ; Enable xdebug extension module zend_extension=xdebug.so xdebug.profiler_enable = off # to use xdebug profiler add XDEBUG_PROFILE=1 as GET or POST or in COOKIE xdebug.profiler_enable_trigger = on xdebug.profiler_output_name = cachegrind.out.%t.%p xdebug.profiler_output_dir ="/var/www/html/tin/var/logs/" # PHP Storm Tracefile analyzer works with format=1 xdebug.trace_format=1 xdebug.show_local_vars=0 xdebug.force_display_errors=off xdebug.force_error_reporting=E_ALL xdebug.idekey="PHPSTORM-MYWEBSITE-SYMFONY-DEV" xdebug.remote_enable = On xdebug.remote_host=172.17.0.1 xdebug.remote_port=9001 xdebug.remote_autostart=on xdebug.remote_connect_back=off xdebug.remote_handler=dbgp © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 Sample of Dockerfile [prepare.sh] #!/bin/bash rm -rf /run/httpd/* /tmp/httpd* mkdir -p /var/log/supervisor chmod +x /usr/bin/phpunit mv /etc/php.d/15-xdebug.ini /etc/php.d/15-xdebug.ini.bak php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" php -r "if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" php composer-setup.php --install-dir=/usr/sbin --filename=composer php -r "unlink('composer-setup.php');" Sample of Dockerfile [run-create-user.sh] #!/bin/bash useradd websiteuser echo "passtobechanged" | passwd tinstudio --stdin gpasswd -a websiteuser wheel gpasswd -a websiteuser apache © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 Sample of docker-compose.yml ; Enable xdebug extension module version: '2' volumes: logs: driver: local docker_scripts: driver: local services: address_book_demo: image: php:7.2-alpine working_dir: /var/www/address_book_demo command: php -S 0.0.0.0:8080 -t web environment: docker: "true" PHP_XDEBUG_REMOTE_HOST: "172.18.0.1" PHP_XDEBUG_REMOTE_PORT: "9001" PHP_XDEBUG_IDEKEY: PHPSTORM PHP_IDE_CONFIG: "serverName=address_book_demo" ports: - 8080:8080 - 9000 volumes: - .:/var/www - logs:/var/logs - docker_scripts:/var/docker_scripts © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 Sample of docker-compose.yml #!/bin/sh [restore-container-packages.sh] apk update apk add mc autoconf gcc g++ make pecl channel-update pecl.php.net pecl install xdebug pecl install apcu-stable # XDEBUG echo "zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20170718/xdebug.so" > /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.default_enable=1" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.idekey=PHPSTORM" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.remote_enable=1" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.remote_autostart=1" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.remote_host=172.18.0.1" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.remote_port=9000" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.profiler_enable=0" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.profiler_enable_trigger=1" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini && \ echo "xdebug.profiler_output_dir=\"/tmp\"" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini # OPCACHE echo "zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20170718/opcache.so" > /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini # APCU echo "extension=apcu.so" > /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini && \ echo "apc.enable_cli=1" >> /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" php composer-setup.php --install-dir=/usr/local/bin --filename=composer php -r "unlink('composer-setup.php');" © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | … as development environment Configure once & replicate as needed FROM centos:latest RUN yum install php php-mysql php-xdebug # other commands ... ● Prepare the dockerfile manually by WORKDIR /var/www/project/ supplying all commands CMD ["php", "-S 0.0.0.0:8080", "-t web"] ● Use a image (docker hub) to create FROM centos:latest WORKDIR /var/www/project/ a container, configure it and commit CMD ["php", "-S 0.0.0.0:8080", "-t web"] changes. # … then $ docker commit © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | … as development environment Keep developers machine clean Php5 Php5.6 ● Every project a docker image+container Php7.1 ● Every docker image own version of php & MySql8 project config mariaDB Php7.2 MySql5.5 © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | … as development environment Easy upgrade or apply changes ● When new feature that require additional packages is being implemented ● When project is being migrated to another version of package that implies architecture changes ● Hardware change © 2017 Amdaris Group LTD All rights reserved. Amdaris are Microsoft Gold Partners in Application Development and are certified under ISO 9001 and ISO 27001 PRACTICAL USE OF DOCKER | Sample implementation / Demo app Prepare the docker-compose.yml file Install and configure