FROM php:7.3-fpm-alpine

# docker-entrypoint.sh dependencies
RUN apk add --no-cache \
# in theory, docker-entrypoint.sh is POSIX-compliant, but priority is a working, consistent image
		bash \
# BusyBox sed is not sufficient for some of our sed expressions
		sed \
		less \
		mysql-client ; \
	apk add --no-cache --virtual .composer-rundeps git subversion openssh mercurial tini patch make zip unzip coreutils;


RUN set -ex; \
	\
	# install the PHP extensions we need
	apk add --no-cache --virtual .build-deps \
		libjpeg-turbo-dev \
		libpng-dev \
		libzip-dev \
		zlib-dev; \
	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
	docker-php-ext-configure zip --with-libzip; \
	docker-php-ext-install -j$(getconf _NPROCESSORS_ONLN) gd mysqli opcache zip; \
	runDeps="$( \
		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 .wordpress-phpexts-rundeps $runDeps; \
# install composer dependencies
	apk add --no-cache --virtual .composer-phpext-rundeps $runDeps; \
	printf "# composer php cli ini settings\n\
date.timezone=UTC\n\
memory_limit=-1\n\
opcache.enable_cli=1\n\
" > $PHP_INI_DIR/php-cli.ini ; \
# clean
	apk del .build-deps

# install composer
ENV COMPOSER_ALLOW_SUPERUSER 1
ENV COMPOSER_HOME /tmp
ENV COMPOSER_VERSION 1.8.5

RUN curl --silent --fail --location --retry 3 --output /tmp/installer.php --url https://raw.githubusercontent.com/composer/getcomposer.org/cb19f2aa3aeaa2006c0cd69a7ef011eb31463067/web/installer \
 && php -r " \
    \$signature = '48e3236262b34d30969dca3c37281b3b4bbe3221bda826ac6a9a62d6444cdb0dcd0615698a5cbe587c3f0fe57a54d8f5'; \
    \$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 \
# install prestissimo composer parallel install plugin.
 && composer --no-interaction global require --no-progress hirak/prestissimo \
 && rm -f /tmp/installer.php



# set recommended PHP.ini settings
# see https://secure.php.net/manual/en/opcache.installation.php
RUN { \
		echo 'opcache.memory_consumption=128'; \
		echo 'opcache.interned_strings_buffer=8'; \
		echo 'opcache.max_accelerated_files=4000'; \
		echo 'opcache.revalidate_freq=2'; \
		echo 'opcache.fast_shutdown=1'; \
		echo 'opcache.enable_cli=1'; \
	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
# https://codex.wordpress.org/Editing_wp-config.php#Configure_Error_Logging
RUN { \
		echo 'error_reporting = 4339'; \
		echo 'display_errors = Off'; \
		echo 'display_startup_errors = Off'; \
		echo 'log_errors = On'; \
		echo 'error_log = /dev/stderr'; \
		echo 'log_errors_max_len = 1024'; \
		echo 'ignore_repeated_errors = On'; \
		echo 'ignore_repeated_source = Off'; \
		echo 'html_errors = Off'; \
	} > /usr/local/etc/php/conf.d/error-logging.ini

VOLUME /var/www/html

COPY ./docker-entrypoint.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/docker-entrypoint.sh

ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["php-fpm"]