Dockerfile

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

# from https://downloads.joomla.org/technical-requirements
FROM php:8.2-fpm-alpine
LABEL maintainer="Llewellyn van der Merwe <llewellyn.van-der-merwe@community.joomla.org> (@Llewellynvdm), Harald Leithner <harald.leithner@community.joomla.org> (@HLeithner)"

# Disable remote database security requirements.
ENV JOOMLA_INSTALLATION_DISABLE_LOCALHOST_CHECK=1
RUN set -eux; \
	apk add --no-cache \
# in theory, docker-entrypoint.sh is POSIX-compliant, but priority is a working, consistent image
		bash \
# Ghostscript is required for rendering PDF previews
		ghostscript \
# Alpine package for "imagemagick" contains ~120 .so files
		imagemagick \
	;

# install the PHP extensions we need.
RUN set -ex; \
	\
	apk add --no-cache --virtual .build-deps \
		$PHPIZE_DEPS \
		autoconf \
		bzip2-dev \
		gmp-dev \
		icu-dev \
		freetype-dev \
		imagemagick-dev \
		libjpeg-turbo-dev \
		libmemcached-dev \
		libpng-dev \
		libwebp-dev \
		libzip-dev \
		openldap-dev \
		pcre-dev \
		postgresql-dev \
	; \
	\
	docker-php-ext-configure gd \
		--with-freetype \
		--with-jpeg \
		--with-webp \
	; \
	docker-php-ext-configure ldap; \
	docker-php-ext-install -j "$(nproc)" \
		bz2 \
		bcmath \
		exif \
		gd \
		gmp \
		intl \
		ldap \
		mysqli \
		pdo_mysql \
		pdo_pgsql \
		pgsql \
		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
# Thanks to @tianon https://github.com/docker-library/wordpress/commit/509adb58cbc7463a03e317931df65868ec8a3e92
	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$' /tmp/imagick-3.7.0/Imagick.stub.php && exit 1 || :; \
	docker-php-ext-install /tmp/imagick-3.7.0; \
	rm -rf imagick.tgz /tmp/imagick-3.7.0; \
# TODO when imagick has another release, we should ditch this whole block and just update instead
	\
# some misbehaving extensions end up outputting to stdout
	out="$(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 "$extDir" ]; \
	\
# pecl will claim success even if one install fails, so we need to perform each install separately
	pecl install APCu-5.1.23; \
	pecl install memcached-3.2.0; \
	pecl install redis-6.0.2; \
	\
	docker-php-ext-enable \
		apcu \
		memcached \
		redis \
	; \
	rm -r /tmp/pear; \
	\
	runDeps="$( \
		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 .joomla-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
# see https://secure.php.net/manual/en/opcache.installation.php
RUN set -eux; \
	docker-php-ext-enable opcache; \
	{ \
		echo 'opcache.memory_consumption=128'; \
		echo 'opcache.interned_strings_buffer=8'; \
		echo 'opcache.max_accelerated_files=4000'; \
		echo 'opcache.revalidate_freq=2'; \
	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
# set recommended error logging
RUN { \
# https://www.php.net/manual/en/errorfunc.constants.php
		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

VOLUME /var/www/html

# Define Joomla version and expected SHA512 signature
ENV JOOMLA_VERSION 4.4.5
ENV JOOMLA_SHA512 3bf2067d1f6faa8f36e023bcec2fc0fe1f307209feceb159f1bbe5f5618d9eede06bc23cc7610a7350c48d25d835280d81c1530a92e24f8fb989845fdbf39084

# Download package and extract to web volume
RUN set -ex; \
	curl -o joomla.tar.bz2 -SL https://github.com/joomla/joomla-cms/releases/download/4.4.5/Joomla_4.4.5-Stable-Full_Package.tar.bz2; \
	echo "$JOOMLA_SHA512 *joomla.tar.bz2" | sha512sum -c -; \
	mkdir /usr/src/joomla; \
	tar -xf joomla.tar.bz2 -C /usr/src/joomla; \
	rm joomla.tar.bz2; \
	chown -R www-data:www-data /usr/src/joomla

# Copy init scripts
COPY docker-entrypoint.sh /entrypoint.sh
COPY makedb.php /makedb.php

ENTRYPOINT ["/entrypoint.sh"]

CMD ["php-fpm"]