docker-php/using-fixed-ip/Dockerfile

FROM daocloud.io/library/php:5.6-fpm

RUN pecl list-channels
RUN pecl update-channels
RUN pecl install xdebug-2.7.2 \
    && docker-php-ext-enable xdebug

COPY 99-xdebug.ini /usr/local/etc/php/conf.d/