docker_setup.sh

#!/bin/bash

# We need to install dependencies only for Docker
[[ ! -e /.dockerinit ]] && exit 0

set -xe

# Update
apt-get update -yqq

# Git
apt-get install git -yqq

# Zlib
apt-get install zlib1g-dev

# PHPUnit
curl -o /usr/local/bin/phpunit https://phar.phpunit.de/phpunit.phar
chmod +x /usr/local/bin/phpunit

# PHP Extensions
docker-php-ext-install pdo_mysql
docker-php-ext-install mbstring
docker-php-ext-install zip

# Composer
curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer

.dockerinit removed moby/moby#19490