FROM php:7-alpine3.7

RUN apk --no-cache add git subversion openssh mercurial tini bash patch

RUN echo "memory_limit=-1" > "$PHP_INI_DIR/conf.d/memory-limit.ini" \
 && echo "date.timezone=${PHP_TIMEZONE:-UTC}" > "$PHP_INI_DIR/conf.d/date_timezone.ini"

RUN apk add --no-cache --virtual .build-deps zlib-dev \
 && docker-php-ext-install zip \
 && runDeps="$( \
    scanelf --needed --nobanner --format '%n#p' --recursive /usr/local/lib/php/extensions \
    | tr ',' '\n' \
    | sort -u \
    | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
    )" \
 && apk add --virtual .composer-phpext-rundeps $runDeps \
 && apk del .build-deps

ENV COMPOSER_ALLOW_SUPERUSER 1
ENV COMPOSER_HOME /tmp
ENV COMPOSER_VERSION 1.7.2

RUN curl --silent --fail --location --retry 3 --output /tmp/installer.php --url https://raw.githubusercontent.com/composer/getcomposer.org/b107d959a5924af895807021fcef4ffec5a76aa9/web/installer \
 && php -r " \
    \$signature = '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061'; \
    \$hash = hash('SHA384', file_get_contents('/tmp/installer.php')); \
    if (!hash_equals(\$signature, \$hash)) { \
        unlink('/tmp/installer.php'); \
        echo 'Integrity check failed, installer is either corrupt or worse.' . PHP_EOL; \
        exit(1); \
    }" \
 && php /tmp/installer.php --no-ansi --install-dir=/usr/bin --filename=composer --version=${COMPOSER_VERSION} \
 && composer --ansi --version --no-interaction \
 && rm -rf /tmp/* /tmp/.htaccess

COPY docker-entrypoint.sh /docker-entrypoint.sh

WORKDIR /app

ENTRYPOINT ["/bin/sh", "/docker-entrypoint.sh"]

CMD ["composer"]