Add Ghost 5 support

5/alpine/Dockerfile

@@ -0,0 +1,75 @@
+# https://docs.ghost.org/faq/node-versions/
+# https://github.com/nodejs/Release (looking for "LTS")
+# https://github.com/TryGhost/Ghost/blob/v5.0.0/package.json#L54
+FROM node:16-alpine3.15
+
+# grab su-exec for easy step-down from root
+RUN apk add --no-cache 'su-exec>=0.2'
+
+RUN apk add --no-cache \
+# add "bash" for "[["
+		bash
+
+ENV NODE_ENV production
+
+ENV GHOST_CLI_VERSION 1.21.0
+RUN set -eux; \
+	npm install -g "ghost-cli@$GHOST_CLI_VERSION"; \
+	npm cache clean --force
+
+ENV GHOST_INSTALL /var/lib/ghost
+ENV GHOST_CONTENT /var/lib/ghost/content
+
+ENV GHOST_VERSION 5.0.0
+
+RUN set -eux; \
+	mkdir -p "$GHOST_INSTALL"; \
+	chown node:node "$GHOST_INSTALL"; \
+	\
+	su-exec node ghost install "$GHOST_VERSION" --db sqlite3 --no-prompt --no-stack --no-setup --dir "$GHOST_INSTALL"; \
+	\
+# Tell Ghost to listen on all ips and not prompt for additional configuration
+	cd "$GHOST_INSTALL"; \
+	su-exec node ghost config --ip '::' --port 2368 --no-prompt --db sqlite3 --url http://localhost:2368 --dbpath "$GHOST_CONTENT/data/ghost.db"; \
+	su-exec node ghost config paths.contentPath "$GHOST_CONTENT"; \
+	\
+# make a config.json symlink for NODE_ENV=development (and sanity check that it's correct)
+	su-exec node ln -s config.production.json "$GHOST_INSTALL/config.development.json"; \
+	readlink -f "$GHOST_INSTALL/config.development.json"; \
+	\
+# need to save initial content for pre-seeding empty volumes
+	mv "$GHOST_CONTENT" "$GHOST_INSTALL/content.orig"; \
+	mkdir -p "$GHOST_CONTENT"; \
+	chown node:node "$GHOST_CONTENT"; \
+	chmod 1777 "$GHOST_CONTENT"; \
+	\
+# force install "sqlite3" manually since it's an optional dependency of "ghost"
+# (which means that if it fails to install, like on ARM/ppc64le/s390x, the failure will be silently ignored and thus turn into a runtime error instead)
+# see https://github.com/TryGhost/Ghost/pull/7677 for more details
+	cd "$GHOST_INSTALL/current"; \
+# scrape the expected version of sqlite3 directly from Ghost itself
+	sqlite3Version="$(node -p 'require("./package.json").optionalDependencies["sqlite3"]')"; \
+	[ -n "$sqlite3Version" ]; \
+	[ "$sqlite3Version" != 'undefined' ]; \
+	if ! su-exec node yarn add "sqlite3@$sqlite3Version" --force; then \
+# must be some non-amd64 architecture pre-built binaries aren't published for, so let's install some build deps and do-it-all-over-again
+		apk add --no-cache --virtual .build-deps g++ gcc libc-dev make python2 vips-dev; \
+		\
+		npm_config_python='python2' su-exec node yarn add "sqlite3@$sqlite3Version" --force --build-from-source; \
+		\
+		apk del --no-network .build-deps; \
+	fi; \
+	\
+	su-exec node yarn cache clean; \
+	su-exec node npm cache clean --force; \
+	npm cache clean --force; \
+	rm -rv /tmp/yarn* /tmp/v8*
+
+WORKDIR $GHOST_INSTALL
+VOLUME $GHOST_CONTENT
+
+COPY docker-entrypoint.sh /usr/local/bin
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+EXPOSE 2368
+CMD ["node", "current/index.js"]

5/alpine/docker-entrypoint.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -e
+
+# allow the container to be started with `--user`
+if [[ "$*" == node*current/index.js* ]] && [ "$(id -u)" = '0' ]; then
+	find "$GHOST_CONTENT" \! -user node -exec chown node '{}' +
+	exec su-exec node "$BASH_SOURCE" "$@"
+fi
+
+if [[ "$*" == node*current/index.js* ]]; then
+	baseDir="$GHOST_INSTALL/content.orig"
+	for src in "$baseDir"/*/ "$baseDir"/themes/*; do
+		src="${src%/}"
+		target="$GHOST_CONTENT/${src#$baseDir/}"
+		mkdir -p "$(dirname "$target")"
+		if [ ! -e "$target" ]; then
+			tar -cC "$(dirname "$src")" "$(basename "$src")" | tar -xC "$(dirname "$target")"
+		fi
+	done
+fi
+
+exec "$@"

5/debian/Dockerfile

@@ -0,0 +1,104 @@
+# https://docs.ghost.org/faq/node-versions/
+# https://github.com/nodejs/Release (looking for "LTS")
+# https://github.com/TryGhost/Ghost/blob/v4.1.2/package.json#L38
+FROM node:16-bullseye-slim
+
+# grab gosu for easy step-down from root
+# https://github.com/tianon/gosu/releases
+ENV GOSU_VERSION 1.12
+RUN set -eux; \
+# save list of currently installed packages for later so we can clean up
+	savedAptMark="$(apt-mark showmanual)"; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends ca-certificates dirmngr gnupg wget; \
+	rm -rf /var/lib/apt/lists/*; \
+	\
+	dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')"; \
+	wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch"; \
+	wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc"; \
+	\
+# verify the signature
+	export GNUPGHOME="$(mktemp -d)"; \
+	gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4; \
+	gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu; \
+	command -v gpgconf && gpgconf --kill all || :; \
+	rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc; \
+	\
+# clean up fetch dependencies
+	apt-mark auto '.*' > /dev/null; \
+	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	\
+	chmod +x /usr/local/bin/gosu; \
+# verify that the binary works
+	gosu --version; \
+	gosu nobody true
+
+ENV NODE_ENV production
+
+ENV GHOST_CLI_VERSION 1.21.0
+RUN set -eux; \
+	npm install -g "ghost-cli@$GHOST_CLI_VERSION"; \
+	npm cache clean --force
+
+ENV GHOST_INSTALL /var/lib/ghost
+ENV GHOST_CONTENT /var/lib/ghost/content
+
+ENV GHOST_VERSION 5.0.0
+
+RUN set -eux; \
+	mkdir -p "$GHOST_INSTALL"; \
+	chown node:node "$GHOST_INSTALL"; \
+	\
+	gosu node ghost install "$GHOST_VERSION" --db sqlite3 --no-prompt --no-stack --no-setup --dir "$GHOST_INSTALL"; \
+	\
+# Tell Ghost to listen on all ips and not prompt for additional configuration
+	cd "$GHOST_INSTALL"; \
+	gosu node ghost config --ip '::' --port 2368 --no-prompt --db sqlite3 --url http://localhost:2368 --dbpath "$GHOST_CONTENT/data/ghost.db"; \
+	gosu node ghost config paths.contentPath "$GHOST_CONTENT"; \
+	\
+# make a config.json symlink for NODE_ENV=development (and sanity check that it's correct)
+	gosu node ln -s config.production.json "$GHOST_INSTALL/config.development.json"; \
+	readlink -f "$GHOST_INSTALL/config.development.json"; \
+	\
+# need to save initial content for pre-seeding empty volumes
+	mv "$GHOST_CONTENT" "$GHOST_INSTALL/content.orig"; \
+	mkdir -p "$GHOST_CONTENT"; \
+	chown node:node "$GHOST_CONTENT"; \
+	chmod 1777 "$GHOST_CONTENT"; \
+	\
+# force install "sqlite3" manually since it's an optional dependency of "ghost"
+# (which means that if it fails to install, like on ARM/ppc64le/s390x, the failure will be silently ignored and thus turn into a runtime error instead)
+# see https://github.com/TryGhost/Ghost/pull/7677 for more details
+	cd "$GHOST_INSTALL/current"; \
+# scrape the expected version of sqlite3 directly from Ghost itself
+	sqlite3Version="$(node -p 'require("./package.json").optionalDependencies["sqlite3"]')"; \
+	[ -n "$sqlite3Version" ]; \
+	[ "$sqlite3Version" != 'undefined' ]; \
+	if ! gosu node yarn add "sqlite3@$sqlite3Version" --force; then \
+# must be some non-amd64 architecture pre-built binaries aren't published for, so let's install some build deps and do-it-all-over-again
+		savedAptMark="$(apt-mark showmanual)"; \
+		apt-get update; \
+		apt-get install -y --no-install-recommends g++ gcc libc-dev libvips-dev make python2; \
+		rm -rf /var/lib/apt/lists/*; \
+		\
+		npm_config_python='python2' gosu node yarn add "sqlite3@$sqlite3Version" --force --build-from-source; \
+		\
+		apt-mark showmanual | xargs apt-mark auto > /dev/null; \
+		[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
+		apt-get purge -y --auto-remove; \
+	fi; \
+	\
+	gosu node yarn cache clean; \
+	gosu node npm cache clean --force; \
+	npm cache clean --force; \
+	rm -rv /tmp/yarn* /tmp/v8*
+
+WORKDIR $GHOST_INSTALL
+VOLUME $GHOST_CONTENT
+
+COPY docker-entrypoint.sh /usr/local/bin
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+EXPOSE 2368
+CMD ["node", "current/index.js"]

5/debian/docker-entrypoint.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -e
+
+# allow the container to be started with `--user`
+if [[ "$*" == node*current/index.js* ]] && [ "$(id -u)" = '0' ]; then
+	find "$GHOST_CONTENT" \! -user node -exec chown node '{}' +
+	exec gosu node "$BASH_SOURCE" "$@"
+fi
+
+if [[ "$*" == node*current/index.js* ]]; then
+	baseDir="$GHOST_INSTALL/content.orig"
+	for src in "$baseDir"/*/ "$baseDir"/themes/*; do
+		src="${src%/}"
+		target="$GHOST_CONTENT/${src#$baseDir/}"
+		mkdir -p "$(dirname "$target")"
+		if [ ! -e "$target" ]; then
+			tar -cC "$(dirname "$src")" "$(basename "$src")" | tar -xC "$(dirname "$target")"
+		fi
+	done
+fi
+
+exec "$@"

generate-stackbrew-library.sh

@@ -2,7 +2,7 @@
 set -eu
 
 declare -A aliases=(
-	[4]='latest'
+	[5]='latest'
 )
 defaultVariant='debian'