Add the missing memory_limit in the Alpine image

Author: jakzal

Dockerfile-alpine

@@ -13,6 +13,7 @@ RUN apk add --no-cache --virtual .tool-deps $TOOL_DEPS $LIB_DEPS \
  && git clone https://github.com/nikic/php-ast.git && cd php-ast && phpize && ./configure && make && make install && cd .. && rm -rf php-ast && docker-php-ext-enable ast \
  && docker-php-ext-install zip \
  && echo "date.timezone=Europe/London" >> $PHP_INI_DIR/php.ini \
+ && echo "memory_limit=-1" >> $PHP_INI_DIR/php.ini \
  && echo "phar.readonly=0" >> $PHP_INI_DIR/php.ini \
  && curl -Ls https://getcomposer.org/composer.phar > /usr/local/bin/composer && chmod +x /usr/local/bin/composer \
  && curl -Ls https://box-project.github.io/box2/installer.php | php && mv box.phar /usr/local/bin/box && chmod +x /usr/local/bin/box \