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About this repo

This repository contains Dockerfiles to build PHP images with xdebug installed and configured to run with modern IDEs like phpStorm.

Docker images are based on official Docker PHP builds that are available in Docker Store: https://store.docker.com/images/php

Why docker-php-xdebug?

Official PHP images are great, however they don't have xdebug plugin installed by default, so it's hard to use them when developing PHP applications on local machine.

Images from this repository are the solution for this issue, since they have installed and configured xdebug plugin.

The only difference from the official Docker PHP images is that, the xdebug plugin is installed, configured and ready to use with modern IDEs like phpStorm.

Use from Docker Registry

Since all images are based on official Docker PHP images, please check official Docker PHP images documentation how to use them from Docker Registry.

The only difference is that, instead of downloading official Docker PHP image, you have to use one of the images listed below.

Supported tags:

  • mobtitude/php-xdebug:5.6-apache
  • mobtitude/php-xdebug:5.6-cli
  • mobtitude/php-xdebug:5.6-fpm
  • mobtitude/php-xdebug:7.0-apache
  • mobtitude/php-xdebug:7.0-cli
  • mobtitude/php-xdebug:7.0-fpm
  • mobtitude/php-xdebug:7.1-apache
  • mobtitude/php-xdebug:7.1-cli
  • mobtitude/php-xdebug:7.1-fpm
  • mobtitude/php-xdebug:7.2-apache
  • mobtitude/php-xdebug:7.2-cli
  • mobtitude/php-xdebug:7.2-fpm

Build from source

  1. Clone git repo from https://github.com/mobtitude/docker-php-xdebug
  2. Run make build to build all images from this repository.

How to use it with IDEs

Images available in this repository are ready to debug and profile PHP applications with modern IDEs that use xdebug. Just configure your favorite IDE to use it.

For example, here are instructions with step-by-step guide for PhpStorm how to use xdebug to debug and profile PHP applications: https://www.jetbrains.com/help/phpstorm/debugging-with-phpstorm-ultimate-guide.html

Please note that you will have xdebug already installed and configured - the only thing you need to configure is your IDE!

xdebug configuration

xdebug plugin is installed and configured in all Docker images from this repository. The xdebug configuration is located in file: /usr/local/etc/php/conf.d/xdebug.ini

Default xdebug configuration for all images in this repository is as follow:

[xdebug]
zend_extension=xdebug.so

xdebug.cli_color=1
xdebug.profiler_enable=0
xdebug.profiler_enable_trigger=1

xdebug.profiler_output_dir="/tmp"
xdebug.profiler_output_name="cachegrind.out.%H.%t.%p"

xdebug.remote_enable=1
xdebug.remote_connect_back=1
xdebug.remote_port=9000

Explanation for these options and full xdebug documentation: https://xdebug.org/docs/

You can overwrite xdebug configuration in the following ways:

  1. By replacing xdebug.ini with your own content when starting container, by mounting your own xdebug.ini file to /usr/local/etc/php/conf.d/xdebug.ini
  2. By replacing specific PHP options with -d when starting php script in container: php -dxdebug.remote_port=9050 -dxdebug.profiler_enable=1
  3. By replacing specific PHP options in VirtualHost or .htaccess file when running web application in Apache as explained in PHP docs: http://php.net/manual/en/configuration.changes.php

FAQ

Q: Why images don't have specific PHP version like 7.2.2 but only major and minor version 7.2?

A: It is because images in this repo have always the newest possible patch version of PHP based on official Docker PHP images. For example for mobtitude/php-xdebug:7.2-apache you can expect that it is always the newest PHP version available in official Docker Registry and it is automatically updated when official PHP Docker images are updated. The newest possible PHP version at the time of writing is 7.2.2, but will be automatically updated to 7.2.3 when official PHP Docker images are updated.