Dockerfile

FROM php:7-fpm

RUN apt-get update && apt-get upgrade -y && apt-get autoremove -y \
    && pecl install xdebug \
    && rm -rf /tmp/pear \
    && echo "zend_extension=$(find /usr/local/lib/php/extensions/ -name xdebug.so)\n" >> /usr/local/etc/php/conf.d/xdebug.ini \
    && echo "xdebug.remote_enable=on\n" >> /usr/local/etc/php/conf.d/xdebug.ini \
    && echo "xdebug.remote_autostart=off\n" >> /usr/local/etc/php/conf.d/xdebug.ini \
    && echo "xdebug.remote_port=9001\n" >> /usr/local/etc/php/conf.d/xdebug.ini \
    && echo "xdebug.remote_host="/sbin/ip route|awk '/default/ { print $3 }' >> /usr/local/etc/php/conf.d/xdebug.ini

USER www-data

WORKDIR /var/www