PHP 7.2 Meminfo extension in Alpine Linux image @BitOne/php-meminfo

Dockerfile

FROM phpearth/php:7.2-nginx

ENV PHP_INI_DIR /etc/php/7.2
RUN mkdir -p $PHP_INI_DIR/conf.d

RUN apk add --no-cache make composer php7.2-xdebug git

RUN apk add --no-cache php7.2-dev gcc g++

RUN curl -L -o /tmp/meminfo.tar.gz https://github.com/BitOne/php-meminfo/archive/master.tar.gz \
    && tar zxpf /tmp/meminfo.tar.gz -C /tmp \
    && rm -r /tmp/meminfo.tar.gz \
    && cd /tmp/php-meminfo-master/extension/php7/ && phpize && ./configure --enable-meminfo && make && make install \
    && rm -rf /tmp/* \
    && printf "extension=meminfo.so\n" > $PHP_INI_DIR/conf.d/meminfo.ini