- For your local dev, create a 
Dockerfilethat is based on your production image and simply installxdebuginto it. Exemple: 
FROM php:5
RUN yes | pecl install xdebug \
    && echo "zend_extension=$(find /usr/local/lib/php/extensions/ -name xdebug.so)" > /usr/local/etc/php/conf.d/xdebug.ini \