ARG version=7.4 FROM wordpress:php${version}-fpm-alpine ARG version=7.4 ENV updraft_version=1.23.3 RUN echo "image: wordpress[$version]:php${version}-fpm-alpine" RUN docker-php-ext-install pdo pdo_mysql curl COPY docker-user.ini /usr/local/etc/php/conf.d RUN cd /usr/src/wordpress/wp-content/plugins RUN curl -o /tmp/updraftplus.zip -fL "https://downloads.wordpress.org/plugin/updraftplus.${updraft_version}.zip" RUN unzip -o /tmp/updraftplus.zip -d /usr/src/wordpress/wp-content/plugins RUN chown -R www-data:www-data /usr/src/wordpress/wp-content/plugins