ARG PHP_VERSION ARG LIBXML_VERSION FROM andreskrey/php-${PHP_VERSION}:libxml-${LIBXML_VERSION} RUN apt-get update # Check if there's a pinned version of Xdebug for compatibility reasons ARG XDEBUG_VERSION RUN pecl install xdebug$(if [ ! ${XDEBUG_VERSION} = '' ]; then echo -${XDEBUG_VERSION} ; fi) && docker-php-ext-enable xdebug # Required by coveralls RUN apt-get install git -y