diff --git a/10.2/php8.2/fpm-alpine3.19/Dockerfile b/10.2/php8.2/fpm-alpine3.21/Dockerfile
similarity index 98%
rename from 10.2/php8.2/fpm-alpine3.19/Dockerfile
rename to 10.2/php8.2/fpm-alpine3.21/Dockerfile
index 8b80b5cf..1139e961 100644
--- a/10.2/php8.2/fpm-alpine3.19/Dockerfile
+++ b/10.2/php8.2/fpm-alpine3.21/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # https://www.drupal.org/docs/system-requirements/php-requirements
-FROM php:8.2-fpm-alpine3.19
+FROM php:8.2-fpm-alpine3.21
 
 # install the PHP extensions we need
 RUN set -eux; \
diff --git a/10.2/php8.3/fpm-alpine3.19/Dockerfile b/10.2/php8.3/fpm-alpine3.21/Dockerfile
similarity index 98%
rename from 10.2/php8.3/fpm-alpine3.19/Dockerfile
rename to 10.2/php8.3/fpm-alpine3.21/Dockerfile
index 41a9a95e..e614ef2a 100644
--- a/10.2/php8.3/fpm-alpine3.19/Dockerfile
+++ b/10.2/php8.3/fpm-alpine3.21/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # https://www.drupal.org/docs/system-requirements/php-requirements
-FROM php:8.3-fpm-alpine3.19
+FROM php:8.3-fpm-alpine3.21
 
 # install the PHP extensions we need
 RUN set -eux; \
diff --git a/10.3/php8.2/fpm-alpine3.19/Dockerfile b/10.3/php8.2/fpm-alpine3.21/Dockerfile
similarity index 98%
rename from 10.3/php8.2/fpm-alpine3.19/Dockerfile
rename to 10.3/php8.2/fpm-alpine3.21/Dockerfile
index 566557f1..99546b07 100644
--- a/10.3/php8.2/fpm-alpine3.19/Dockerfile
+++ b/10.3/php8.2/fpm-alpine3.21/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # https://www.drupal.org/docs/system-requirements/php-requirements
-FROM php:8.2-fpm-alpine3.19
+FROM php:8.2-fpm-alpine3.21
 
 # install the PHP extensions we need
 RUN set -eux; \
diff --git a/10.3/php8.3/fpm-alpine3.19/Dockerfile b/10.3/php8.3/fpm-alpine3.21/Dockerfile
similarity index 98%
rename from 10.3/php8.3/fpm-alpine3.19/Dockerfile
rename to 10.3/php8.3/fpm-alpine3.21/Dockerfile
index d7ced703..0672323d 100644
--- a/10.3/php8.3/fpm-alpine3.19/Dockerfile
+++ b/10.3/php8.3/fpm-alpine3.21/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # https://www.drupal.org/docs/system-requirements/php-requirements
-FROM php:8.3-fpm-alpine3.19
+FROM php:8.3-fpm-alpine3.21
 
 # install the PHP extensions we need
 RUN set -eux; \
diff --git a/10.4-rc/php8.3/apache-bookworm/Dockerfile b/10.4-rc/php8.3/apache-bookworm/Dockerfile
new file mode 100644
index 00000000..ea4fe917
--- /dev/null
+++ b/10.4-rc/php8.3/apache-bookworm/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-apache-bookworm
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/10.4.0-rc1
+ENV DRUPAL_VERSION 10.4.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/10.4-rc/php8.3/apache-bullseye/Dockerfile b/10.4-rc/php8.3/apache-bullseye/Dockerfile
new file mode 100644
index 00000000..d739099a
--- /dev/null
+++ b/10.4-rc/php8.3/apache-bullseye/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-apache-bullseye
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/10.4.0-rc1
+ENV DRUPAL_VERSION 10.4.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/10.4-rc/php8.3/fpm-alpine3.20/Dockerfile b/10.4-rc/php8.3/fpm-alpine3.20/Dockerfile
new file mode 100644
index 00000000..28bdb891
--- /dev/null
+++ b/10.4-rc/php8.3/fpm-alpine3.20/Dockerfile
@@ -0,0 +1,82 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-alpine3.20
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	apk add --no-cache --virtual .build-deps \
+		coreutils \
+		freetype-dev \
+		libjpeg-turbo-dev \
+		libpng-dev \
+		libwebp-dev \
+		libzip-dev \
+# postgresql-dev is needed for https://bugs.alpinelinux.org/issues/3642
+		postgresql-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr/include \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+	runDeps="$( \
+		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+			| tr ',' '\n' \
+			| sort -u \
+			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
+	)"; \
+	apk add --no-network --virtual .drupal-phpexts-rundeps $runDeps; \
+	apk del --no-network .build-deps
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/10.4.0-rc1
+ENV DRUPAL_VERSION 10.4.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/10.4-rc/php8.3/fpm-alpine3.21/Dockerfile b/10.4-rc/php8.3/fpm-alpine3.21/Dockerfile
new file mode 100644
index 00000000..57fbe4f9
--- /dev/null
+++ b/10.4-rc/php8.3/fpm-alpine3.21/Dockerfile
@@ -0,0 +1,82 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-alpine3.21
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	apk add --no-cache --virtual .build-deps \
+		coreutils \
+		freetype-dev \
+		libjpeg-turbo-dev \
+		libpng-dev \
+		libwebp-dev \
+		libzip-dev \
+# postgresql-dev is needed for https://bugs.alpinelinux.org/issues/3642
+		postgresql-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr/include \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+	runDeps="$( \
+		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+			| tr ',' '\n' \
+			| sort -u \
+			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
+	)"; \
+	apk add --no-network --virtual .drupal-phpexts-rundeps $runDeps; \
+	apk del --no-network .build-deps
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/10.4.0-rc1
+ENV DRUPAL_VERSION 10.4.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/10.4-rc/php8.3/fpm-bookworm/Dockerfile b/10.4-rc/php8.3/fpm-bookworm/Dockerfile
new file mode 100644
index 00000000..95d73424
--- /dev/null
+++ b/10.4-rc/php8.3/fpm-bookworm/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-bookworm
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/10.4.0-rc1
+ENV DRUPAL_VERSION 10.4.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/10.4-rc/php8.3/fpm-bullseye/Dockerfile b/10.4-rc/php8.3/fpm-bullseye/Dockerfile
new file mode 100644
index 00000000..3ff644af
--- /dev/null
+++ b/10.4-rc/php8.3/fpm-bullseye/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-bullseye
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/10.4.0-rc1
+ENV DRUPAL_VERSION 10.4.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/11.0/php8.3/fpm-alpine3.19/Dockerfile b/11.0/php8.3/fpm-alpine3.21/Dockerfile
similarity index 98%
rename from 11.0/php8.3/fpm-alpine3.19/Dockerfile
rename to 11.0/php8.3/fpm-alpine3.21/Dockerfile
index 9bea8c86..44c39805 100644
--- a/11.0/php8.3/fpm-alpine3.19/Dockerfile
+++ b/11.0/php8.3/fpm-alpine3.21/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # https://www.drupal.org/docs/system-requirements/php-requirements
-FROM php:8.3-fpm-alpine3.19
+FROM php:8.3-fpm-alpine3.21
 
 # install the PHP extensions we need
 RUN set -eux; \
diff --git a/11.1-rc/php8.3/apache-bookworm/Dockerfile b/11.1-rc/php8.3/apache-bookworm/Dockerfile
new file mode 100644
index 00000000..051fcdc0
--- /dev/null
+++ b/11.1-rc/php8.3/apache-bookworm/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-apache-bookworm
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/11.1.0-rc1
+ENV DRUPAL_VERSION 11.1.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/11.1-rc/php8.3/apache-bullseye/Dockerfile b/11.1-rc/php8.3/apache-bullseye/Dockerfile
new file mode 100644
index 00000000..e00f99db
--- /dev/null
+++ b/11.1-rc/php8.3/apache-bullseye/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-apache-bullseye
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/11.1.0-rc1
+ENV DRUPAL_VERSION 11.1.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/11.1-rc/php8.3/fpm-alpine3.20/Dockerfile b/11.1-rc/php8.3/fpm-alpine3.20/Dockerfile
new file mode 100644
index 00000000..5f682a34
--- /dev/null
+++ b/11.1-rc/php8.3/fpm-alpine3.20/Dockerfile
@@ -0,0 +1,82 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-alpine3.20
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	apk add --no-cache --virtual .build-deps \
+		coreutils \
+		freetype-dev \
+		libjpeg-turbo-dev \
+		libpng-dev \
+		libwebp-dev \
+		libzip-dev \
+# postgresql-dev is needed for https://bugs.alpinelinux.org/issues/3642
+		postgresql-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr/include \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+	runDeps="$( \
+		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+			| tr ',' '\n' \
+			| sort -u \
+			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
+	)"; \
+	apk add --no-network --virtual .drupal-phpexts-rundeps $runDeps; \
+	apk del --no-network .build-deps
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/11.1.0-rc1
+ENV DRUPAL_VERSION 11.1.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/11.1-rc/php8.3/fpm-alpine3.21/Dockerfile b/11.1-rc/php8.3/fpm-alpine3.21/Dockerfile
new file mode 100644
index 00000000..4f4e90ac
--- /dev/null
+++ b/11.1-rc/php8.3/fpm-alpine3.21/Dockerfile
@@ -0,0 +1,82 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-alpine3.21
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	apk add --no-cache --virtual .build-deps \
+		coreutils \
+		freetype-dev \
+		libjpeg-turbo-dev \
+		libpng-dev \
+		libwebp-dev \
+		libzip-dev \
+# postgresql-dev is needed for https://bugs.alpinelinux.org/issues/3642
+		postgresql-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr/include \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+	runDeps="$( \
+		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
+			| tr ',' '\n' \
+			| sort -u \
+			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
+	)"; \
+	apk add --no-network --virtual .drupal-phpexts-rundeps $runDeps; \
+	apk del --no-network .build-deps
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/11.1.0-rc1
+ENV DRUPAL_VERSION 11.1.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/11.1-rc/php8.3/fpm-bookworm/Dockerfile b/11.1-rc/php8.3/fpm-bookworm/Dockerfile
new file mode 100644
index 00000000..879ca664
--- /dev/null
+++ b/11.1-rc/php8.3/fpm-bookworm/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-bookworm
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/11.1.0-rc1
+ENV DRUPAL_VERSION 11.1.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/11.1-rc/php8.3/fpm-bullseye/Dockerfile b/11.1-rc/php8.3/fpm-bullseye/Dockerfile
new file mode 100644
index 00000000..d4897eb4
--- /dev/null
+++ b/11.1-rc/php8.3/fpm-bullseye/Dockerfile
@@ -0,0 +1,93 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+# https://www.drupal.org/docs/system-requirements/php-requirements
+FROM php:8.3-fpm-bullseye
+
+# install the PHP extensions we need
+RUN set -eux; \
+	\
+	if command -v a2enmod; then \
+# https://github.com/drupal/drupal/blob/d91d8d0a6d3ffe5f0b6dde8c2fbe81404843edc5/.htaccess (references both mod_expires and mod_rewrite explicitly)
+		a2enmod expires rewrite; \
+	fi; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	\
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		libfreetype6-dev \
+		libjpeg-dev \
+		libpng-dev \
+		libpq-dev \
+		libwebp-dev \
+		libzip-dev \
+	; \
+	\
+	docker-php-ext-configure gd \
+		--with-freetype \
+		--with-jpeg=/usr \
+		--with-webp \
+	; \
+	\
+	docker-php-ext-install -j "$(nproc)" \
+		gd \
+		opcache \
+		pdo_mysql \
+		pdo_pgsql \
+		zip \
+	; \
+	\
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+	apt-mark auto '.*' > /dev/null; \
+	apt-mark manual $savedAptMark; \
+	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' \
+		| sort -u \
+		| xargs -r dpkg-query -S \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -rt apt-mark manual; \
+	\
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://secure.php.net/manual/en/opcache.installation.php
+RUN { \
+		echo 'opcache.memory_consumption=128'; \
+		echo 'opcache.interned_strings_buffer=8'; \
+		echo 'opcache.max_accelerated_files=4000'; \
+		echo 'opcache.revalidate_freq=60'; \
+	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+
+COPY --from=composer:2 /usr/bin/composer /usr/local/bin/
+
+# 2024-12-02: https://www.drupal.org/project/drupal/releases/11.1.0-rc1
+ENV DRUPAL_VERSION 11.1.0-rc1
+
+# https://github.com/docker-library/drupal/pull/259
+# https://github.com/moby/buildkit/issues/4503
+# https://github.com/composer/composer/issues/11839
+# https://github.com/composer/composer/issues/11854
+# https://github.com/composer/composer/blob/94fe2945456df51e122a492b8d14ac4b54c1d2ce/src/Composer/Console/Application.php#L217-L218
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+WORKDIR /opt/drupal
+RUN set -eux; \
+	export COMPOSER_HOME="$(mktemp -d)"; \
+	composer create-project --no-interaction "drupal/recommended-project:$DRUPAL_VERSION" ./; \
+# https://github.com/docker-library/drupal/pull/266#issuecomment-2273985526
+	composer check-platform-reqs; \
+	chown -R www-data:www-data web/sites web/modules web/themes; \
+	rmdir /var/www/html; \
+	ln -sf /opt/drupal/web /var/www/html; \
+	# delete composer cache
+	rm -rf "$COMPOSER_HOME"
+
+ENV PATH=${PATH}:/opt/drupal/vendor/bin
+
+# vim:set ft=dockerfile:
diff --git a/7/php8.1/fpm-alpine3.19/Dockerfile b/7/php8.1/fpm-alpine3.21/Dockerfile
similarity index 98%
rename from 7/php8.1/fpm-alpine3.19/Dockerfile
rename to 7/php8.1/fpm-alpine3.21/Dockerfile
index 76c72be8..87f96946 100644
--- a/7/php8.1/fpm-alpine3.19/Dockerfile
+++ b/7/php8.1/fpm-alpine3.21/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # https://www.drupal.org/docs/system-requirements/php-requirements
-FROM php:8.1-fpm-alpine3.19
+FROM php:8.1-fpm-alpine3.21
 
 # install the PHP extensions we need
 RUN set -eux; \
diff --git a/7/php8.2/fpm-alpine3.19/Dockerfile b/7/php8.2/fpm-alpine3.21/Dockerfile
similarity index 98%
rename from 7/php8.2/fpm-alpine3.19/Dockerfile
rename to 7/php8.2/fpm-alpine3.21/Dockerfile
index fae5581a..34dd19dc 100644
--- a/7/php8.2/fpm-alpine3.19/Dockerfile
+++ b/7/php8.2/fpm-alpine3.21/Dockerfile
@@ -5,7 +5,7 @@
 #
 
 # https://www.drupal.org/docs/system-requirements/php-requirements
-FROM php:8.2-fpm-alpine3.19
+FROM php:8.2-fpm-alpine3.21
 
 # install the PHP extensions we need
 RUN set -eux; \
diff --git a/versions.json b/versions.json
index e856879a..2f88ec2c 100644
--- a/versions.json
+++ b/versions.json
@@ -1,4 +1,26 @@
 {
+  "11.1-rc": {
+    "version": "11.1.0-rc1",
+    "url": "https://ftp.drupal.org/files/projects/drupal-11.1.0-rc1.tar.gz",
+    "md5": "32bbb15c13f3da1b8e504040aa311290",
+    "date": 1733153182,
+    "notes": "https://www.drupal.org/project/drupal/releases/11.1.0-rc1",
+    "phpVersions": [
+      "8.3"
+    ],
+    "variants": [
+      "apache-bookworm",
+      "fpm-bookworm",
+      "apache-bullseye",
+      "fpm-bullseye",
+      "fpm-alpine3.21",
+      "fpm-alpine3.20"
+    ],
+    "composer": {
+      "version": "2"
+    }
+  },
+  "11.1": null,
   "11.0": {
     "version": "11.0.9",
     "url": "https://ftp.drupal.org/files/projects/drupal-11.0.9.tar.gz",
@@ -13,13 +35,35 @@
       "fpm-bookworm",
       "apache-bullseye",
       "fpm-bullseye",
-      "fpm-alpine3.20",
-      "fpm-alpine3.19"
+      "fpm-alpine3.21",
+      "fpm-alpine3.20"
+    ],
+    "composer": {
+      "version": "2"
+    }
+  },
+  "10.4-rc": {
+    "version": "10.4.0-rc1",
+    "url": "https://ftp.drupal.org/files/projects/drupal-10.4.0-rc1.tar.gz",
+    "md5": "ac4ca7f79387279e4d1732595ea0c8e3",
+    "date": 1733155673,
+    "notes": "https://www.drupal.org/project/drupal/releases/10.4.0-rc1",
+    "phpVersions": [
+      "8.3"
+    ],
+    "variants": [
+      "apache-bookworm",
+      "fpm-bookworm",
+      "apache-bullseye",
+      "fpm-bullseye",
+      "fpm-alpine3.21",
+      "fpm-alpine3.20"
     ],
     "composer": {
       "version": "2"
     }
   },
+  "10.4": null,
   "10.3": {
     "version": "10.3.10",
     "url": "https://ftp.drupal.org/files/projects/drupal-10.3.10.tar.gz",
@@ -35,8 +79,8 @@
       "fpm-bookworm",
       "apache-bullseye",
       "fpm-bullseye",
-      "fpm-alpine3.20",
-      "fpm-alpine3.19"
+      "fpm-alpine3.21",
+      "fpm-alpine3.20"
     ],
     "composer": {
       "version": "2"
@@ -57,8 +101,8 @@
       "fpm-bookworm",
       "apache-bullseye",
       "fpm-bullseye",
-      "fpm-alpine3.20",
-      "fpm-alpine3.19"
+      "fpm-alpine3.21",
+      "fpm-alpine3.20"
     ],
     "composer": {
       "version": "2"
@@ -79,8 +123,8 @@
       "fpm-bookworm",
       "apache-bullseye",
       "fpm-bullseye",
-      "fpm-alpine3.20",
-      "fpm-alpine3.19"
+      "fpm-alpine3.21",
+      "fpm-alpine3.20"
     ]
   }
 }
diff --git a/versions.sh b/versions.sh
index 39967ed5..74fd34f2 100755
--- a/versions.sh
+++ b/versions.sh
@@ -134,8 +134,8 @@ for version in "${versions[@]}"; do
 			variants: [
 				"bookworm",
 				"bullseye",
+				"alpine3.21",
 				"alpine3.20",
-				"alpine3.19",
 				empty
 				| if startswith("alpine") then empty else
 						"apache-" + .