Adding ghost and fixing compose .env setup.

Makefile

@@ -9,11 +9,17 @@ app/.dirstamp: all-apps/app.service all-apps/docker-compose.yaml \
 $(wildcard all-apps/lb/*) \
 $(wildcard all-apps/nextcloud/*) \
 $(wildcard all-apps/wg-easy/*) \
+$(wildcard all-apps/ghost/*) \
 $(wildcard all-apps/dozzle/*)
 
 	rm -Rf app/
 	cp -a all-apps app && touch $@
 
+# compose .env files
+# (compose only supports one .env file at the root by default)
+all-apps/.env: all-apps/*/.compose-env
+	find all-apps/ -name ".compose-env" -exec cat > all-apps/.env {} +
+
 # Caddy / lb
 all-apps/lb/Caddyfile: $(apps_config) make-caddyfile.sh
 	mkdir -p all-apps/lb
@@ -42,6 +48,7 @@ restic-password: $(apps_config) make-restic-password.sh
 	./make-restic-password.sh $(apps_config) > restic-password
 
 ignition.json: cl.yaml app/.dirstamp \
+all-apps/.env \
 all-apps/lb/Caddyfile \
 all-apps/nextcloud/nextcloud_admin_user \
 all-apps/nextcloud/nextcloud_admin_password \