Dockerfile

FROM php:5.6-fpm-stretch

RUN echo "deb http://archive.debian.org/debian stretch main" > /etc/apt/sources.list

RUN apt-get update
RUN apt-get install -qq -y libgd-dev libfreetype6-dev libjpeg62-turbo-dev libpng-dev
RUN apt-get install -qq -y git
RUN apt-get install -qq -y zip
RUN apt-get install -qq -y unzip

RUN docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/
RUN docker-php-ext-install gd

RUN git clone https://github.com/xdebug/xdebug.git \
&& cd xdebug \
&& git checkout tags/XDEBUG_2_5_5 \
&& phpize \
&& ./configure --enable-xdebug \
&& make \
&& make install

# Install composer
RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
&& php composer-setup.php --install-dir=/usr/local/bin --filename=composer --version=1.10.1 \
&& php -r "unlink('composer-setup.php');" \
&& chsh -s /bin/bash www-data && mkdir -p /var/www/.composer && chown -R www-data:www-data /var/www \
&& apt-get -y clean \
&& apt-get -y autoclean \
&& apt-get -y autoremove \