php-for-wordpress/Dockerfile at master · strathos/php-for-wordpress · GitHub

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FROM php:7.2-fpm-alpine

# persistent 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 \
# Ghostscript is required for rendering PDF previews
		ghostscript \
# UID and GID changing needs shadow
		shadow

RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"

# install the PHP extensions we need (https://make.wordpress.org/hosting/handbook/handbook/server-environment/#php-extensions)
RUN set -ex; \
	\
	apk add --no-cache --virtual .build-deps \
		$PHPIZE_DEPS \
		freetype-dev \
		imagemagick-dev \
		libjpeg-turbo-dev \
		libpng-dev \
	; \
	\
	docker-php-ext-configure gd --with-freetype-dir=/usr --with-jpeg-dir=/usr --with-png-dir=/usr; \
	docker-php-ext-install -j "$(nproc)" \
		bcmath \
		exif \
		gd \
		mysqli \
		opcache \
		zip \
	; \
	pecl install imagick-3.4.4; \
	docker-php-ext-enable imagick; \
	\
	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; \
	apk del .build-deps

# 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'; \
	} > /usr/local/etc/php/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'; \
	} > /usr/local/etc/php/conf.d/error-logging.ini

# add wp-cli
RUN curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar \
	&& chmod +x wp-cli.phar \
	&& mv wp-cli.phar /usr/local/bin/wp

# set default UID and GID for www-data to 1000
# override these with PUID and PGID environment variables
RUN usermod -u 1000 www-data \
  && groupmod -g 1000 www-data \
  && chown www-data:www-data /home/www-data \
  && chown -R www-data:www-data /var/www

VOLUME /var/www/html

COPY docker-entrypoint.sh /usr/local/bin/

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