ARG UNIT_VERSION=1.11.0
FROM eumau/nginx-unit:${UNIT_VERSION}-php7.3

# 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'; \
	} > /etc/php/7.3/embed/conf.d/opcache-recommended.ini

# https://wordpress.org/support/article/editing-wp-config-php/#configure-error-logging
RUN { \
# https://www.php.net/manual/en/errorfunc.constants.php
# https://github.com/docker-library/wordpress/issues/420#issuecomment-517839670
	echo 'error_reporting = E_ERROR | E_WARNING | E_PARSE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_COMPILE_WARNING | E_RECOVERABLE_ERROR'; \
	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'; \
	} > /etc/php/7.3/embed/conf.d/error-logging.ini

VOLUME /var/www/html

ENV WORDPRESS_VERSION 5.2.3
ENV WORDPRESS_SHA1 5efd37148788f3b14b295b2a9bf48a1a467aa303

RUN set -ex; \
	apt-get update && apt-get -y install --no-install-recommends \
	php7.3-mysql \
	&& rm -rf /var/lib/apt/lists/* ; \
	curl -o wordpress.tar.gz -fSL "https://wordpress.org/wordpress-${WORDPRESS_VERSION}.tar.gz"; \
	echo "$WORDPRESS_SHA1 *wordpress.tar.gz" | sha1sum -c -; \
# upstream tarballs include ./wordpress/ so this gives us /usr/src/wordpress
	tar -xzf wordpress.tar.gz -C /usr/src/; \
	rm wordpress.tar.gz; \
	chown -R www-data:www-data /usr/src/wordpress; \
	chown -R www-data:www-data /var/www/html

# port used by the listener in config.json
EXPOSE 8080

# launch and configure Unit
RUN \
	-f /var/www/html/index.php ] || { \
	  touch /var/www/html/index.php /var/www/html/index.php.remove; \
	} \
	&& unitd --control unix:/var/run/control.unit.sock \
	&& curl -X PUT --data-binary \
	'{ \
	  "listeners": { "*:8080": { "pass": "routes" } }, \
	  "routes": [ \
	    { "match": { "uri": "*.php" }, "action": { "pass": "applications/direct_php" } }, \
	    { "match": { "uri": "!*/" }, "action": { "share": "/var/www/html" } }, \
	    { "action": { "pass": "applications/index_php" } } \
	  ], \
	  "applications": { \
	    "index_php": { \
	      "type": "php", \
	      "processes": { "max": 20, "spare": 5 }, \
	      "user": "www-data", \
	      "group": "www-data", \
	      "root": "/var/www/html", \
	      "script": "index.php" \
	    }, \
	    "direct_php": { \
	      "type": "php", \
	      "processes": { "max": 5, "spare": 0 }, \
	      "user": "www-data", \
	      "group": "www-data", \
	      "root": "/var/www/html", \
	      "index": "index.php" \
	    } \
	  } \
	}' \
	--unix-socket /var/run/control.unit.sock http://localhost/config/ \
	&& [ -f /var/www/html/index.php.remove ] && { \
	  rm /var/www/html/index.php /var/www/html/index.php.remove; \
	}

WORKDIR /var/www/html

COPY docker-entrypoint.sh /usr/local/bin/
ENTRYPOINT ["docker-entrypoint.sh"]

STOPSIGNAL SIGTERM
CMD ["unitd", "--no-daemon", "--control", "unix:/var/run/control.unit.sock"]