ARG UNIT_VERSION=1.10.0
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; \
	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 8090 8091

# application setup

# launch 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                     \
    # upload the app config to Unit
  && curl -X PUT --data-binary '{                                        \
    "listeners": {                                                         \
        "*:8090": {                                                        \
            "application": "script_index_php"                                 \
        },                                                                  \
        "*:8091": {                                                        \
            "application": "direct_php"                                 \
        }                                                                  \
    },                                                                     \
    "applications": {                                                      \
        "script_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",                                                \
            "script": "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"]