Dockerfile

#
# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
#
# PLEASE DO NOT EDIT IT DIRECTLY.
#

FROM php:8.1-alpine

# install wp-cli dependencies
RUN apk add --no-cache \
# bash is needed for 'wp shell': https://github.com/wp-cli/shell-command/blob/b8dafcc2a2eba5732fdee70be077675a302848e9/src/WP_CLI/REPL.php#L104
		bash \
		less \
		mysql-client

RUN set -ex; \
	mkdir -p /var/www/html; \
	chown -R www-data:www-data /var/www/html
WORKDIR /var/www/html

# 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 \
		$PHPIZE_DEPS \
		freetype-dev \
		icu-dev \
		imagemagick-dev \
		libjpeg-turbo-dev \
		libpng-dev \
		libwebp-dev \
		libzip-dev \
	; \
	\
	docker-php-ext-configure gd \
		--with-freetype \
		--with-jpeg \
		--with-webp \
	; \
	docker-php-ext-install -j "$(nproc)" \
		bcmath \
		exif \
		gd \
		intl \
		mysqli \
		zip \
	; \
# WARNING: imagick is likely not supported on Alpine: https://github.com/Imagick/imagick/issues/328
# https://pecl.php.net/package/imagick
# https://github.com/Imagick/imagick/commit/5ae2ecf20a1157073bad0170106ad0cf74e01cb6 (causes a lot of build failures, but strangely only intermittent ones 🤔)
# see also https://github.com/Imagick/imagick/pull/641
# this is "pecl install imagick-3.7.0", but by hand so we can apply a small hack / part of the above commit
	curl -fL -o imagick.tgz 'https://pecl.php.net/get/imagick-3.7.0.tgz'; \
	echo '5a364354109029d224bcbb2e82e15b248be9b641227f45e63425c06531792d3e *imagick.tgz' | sha256sum -c -; \
	tar --extract --directory /tmp --file imagick.tgz imagick-3.7.0; \
	grep '^//#endif$' /tmp/imagick-3.7.0/Imagick.stub.php; \
	test "$(grep -c '^//#endif$' /tmp/imagick-3.7.0/Imagick.stub.php)" = '1'; \
	sed -i -e 's!^//#endif$!#endif!' /tmp/imagick-3.7.0/Imagick.stub.php; \
	grep '^//#endif$' /tmp/imagick-3.7.0/Imagick.stub.php && exit 1 || :; \
	docker-php-ext-install /tmp/imagick-3.7.0; \
	rm -rf imagick.tgz /tmp/imagick-3.7.0; \
	\
# some misbehaving extensions end up outputting to stdout 🙈 (https://github.com/docker-library/wordpress/issues/669#issuecomment-993945967)
	out="$(php -r 'exit(0);')"; \
	[ -z "$out" ]; \
	err="$(php -r 'exit(0);' 3>&1 1>&2 2>&3)"; \
	[ -z "$err" ]; \
	\
	extDir="$(php -r 'echo ini_get("extension_dir");')"; \
	[ -d "$extDir" ]; \
	runDeps="$( \
		scanelf --needed --nobanner --format '%n#p' --recursive "$extDir" \
			| tr ',' '\n' \
			| sort -u \
			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
	)"; \
	apk add --no-network --virtual .wordpress-phpexts-rundeps $runDeps; \
	apk del --no-network .build-deps; \
	\
	! { ldd "$extDir"/*.so | grep 'not found'; }; \
# check for output like "PHP Warning:  PHP Startup: Unable to load dynamic library 'foo' (tried: ...)
	err="$(php --version 3>&1 1>&2 2>&3)"; \
	[ -z "$err" ]

# set recommended PHP.ini settings
# excluding opcache due https://github.com/docker-library/wordpress/issues/407
# 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

# https://make.wordpress.org/cli/2018/05/31/gpg-signature-change/
# pub   rsa2048 2018-05-31 [SC]
#       63AF 7AA1 5067 C056 16FD  DD88 A3A2 E8F2 26F0 BC06
# uid           [ unknown] WP-CLI Releases <releases@wp-cli.org>
# sub   rsa2048 2018-05-31 [E]
ENV WORDPRESS_CLI_GPG_KEY 63AF7AA15067C05616FDDD88A3A2E8F226F0BC06

ENV WORDPRESS_CLI_VERSION 2.10.0
ENV WORDPRESS_CLI_SHA512 c243265be520cd906f6dac767b56bb4e7dae9b6308db32b7e45ed8adbacad97bce987fd69b019d25478f394f0082404a0f44a93416f5e4d943cb32fd08f1feac

RUN set -ex; \
	\
	apk add --no-cache --virtual .fetch-deps \
		gnupg \
	; \
	\
	curl -o /usr/local/bin/wp.gpg -fL "https://github.com/wp-cli/wp-cli/releases/download/v${WORDPRESS_CLI_VERSION}/wp-cli-${WORDPRESS_CLI_VERSION}.phar.gpg"; \
	\
	GNUPGHOME="$(mktemp -d)"; export GNUPGHOME; \
	gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$WORDPRESS_CLI_GPG_KEY"; \
	gpg --batch --decrypt --output /usr/local/bin/wp /usr/local/bin/wp.gpg; \
	gpgconf --kill all; \
	rm -rf "$GNUPGHOME" /usr/local/bin/wp.gpg; unset GNUPGHOME; \
	\
	echo "$WORDPRESS_CLI_SHA512 */usr/local/bin/wp" | sha512sum -c -; \
	chmod +x /usr/local/bin/wp; \
	\
	apk del --no-network .fetch-deps; \
	\
	wp --allow-root --version

VOLUME /var/www/html

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

ENTRYPOINT ["docker-entrypoint.sh"]
USER www-data
CMD ["wp", "shell"]