Moving /app tree in ignition to gzipped file

Makefile

@@ -66,6 +66,12 @@ restic-env: $(apps_config) make-restic-generated.sh
 restic-password: $(apps_config) make-restic-password.sh
 	./make-restic-password.sh $(apps_config) > restic-password
 
+app.tar.gz: app/.dirstamp \
+app/.env \
+app/lb/lb.env \
+app/lb/Caddyfile
+	tar cfz app.tar.gz app/
+
 ignition.json: cl.yaml app/.dirstamp \
 $(IMAGE_DEPS) \
 app/lb/lb.env \
@@ -75,7 +81,8 @@ restic-password \
 restic-restore.sh \
 restic-snapshot.sh \
 app/.env \
-$(config_dir)ssh-keys
+$(config_dir)ssh-keys \
+app.tar.gz
 	cat cl.yaml | docker run --rm --volume $(config_dir)/ssh-keys:/pwd/ssh-keys --volume ${PWD}:/pwd --workdir /pwd -i quay.io/coreos/butane:latest -d /pwd > ignition.json
 
 generated.tfvars: $(apps_config) make-generated.sh