ghost-1.21.7_node8

# https://docs.ghost.org/supported-node-versions/
# https://github.com/nodejs/LTS
# Update Ghost version on line: 16
# Update Ghost-cli on line: 12

FROM node:8.10-alpine

# grab su-exec for easy step-down from root
RUN apk update && apk upgrade && apk add --no-cache 'su-exec>=0.2' bash
	# Add tzdata --> see alpine-base

ENV NODE_ENV="production"			\
	GHOST_CLI_VERSION="1.6.0"

RUN npm install --production -g "ghost-cli@$GHOST_CLI_VERSION"

ENV GHOST_VERSION="1.21.7"			\
	GHOST_INSTALL="/var/lib/ghost"	\
	GHOST_CONTENT="/var/lib/ghost/content"

RUN set -ex; \
	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 "$GHOST_INSTALL"; \
	su-exec node ghost config --ip 0.0.0.0 --port 2368 --no-prompt --db sqlite3 --url http://localhost:2368 --dbpath "$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 "$GHOST_CONTENT"; \
	\
# sanity check to ensure knex-migrator was installed
	"$GHOST_INSTALL/current/node_modules/knex-migrator/bin/knex-migrator" --version \
# uninstall ghost-cli
	su-exec node npm uninstall -S -D -O -g "ghost-cli@$GHOST_CLI_VERSION";

# add knex-migrator bins into PATH
# we want these from the context of Ghost's "node_modules" directory (instead of doing "npm install -g knex-migrator") so they can share the DB driver modules
ENV PATH $PATH:$GHOST_INSTALL/current/node_modules/knex-migrator/bin

# TODO multiarch sqlite3 (once either "node:6-alpine" has multiarch or we switch to a base that does)

WORKDIR $GHOST_INSTALL
VOLUME $GHOST_CONTENT

COPY docker-entrypoint.sh /usr/local/bin
ENTRYPOINT ["docker-entrypoint.sh"]

EXPOSE 2368
CMD ["node", "current/index.js"]