updated README, use 1 place for the release name (all.yaml)

Makefile

@@ -5,8 +5,10 @@ TOKEN = $(shell ansible-vault decrypt --vault-password-file \
 		        ~/.config/ansible/hcloud.secret --output - \
 				group_vars/all/vars.yaml | cut -d' ' -f2)
 
+SNAPNAME = $(shell cat group_vars/all/all.yaml | yq .snapshot)
+
 SNAPSHOT = $(shell hcloud image  list -t snapshot -o yaml | \
-			       yq '. | map(select(.description == "FreeBSD-14.1-RELEASE-hcloud-init")) | .[].id')
+			       yq '. | map(select(.description == "$(SNAPNAME)")) | .[].id')
 
 OPTIONS = -i inventory -t active
 CREATE_COMMAND = ansible-playbook create.yaml $(OPTIONS)
@@ -17,6 +19,9 @@ DEBUG_COMMAND = ansible-playbook debug.yaml $(OPTIONS)
 
 ENV = HCLOUD_TOKEN="$(TOKEN)" SNAPSHOT="$(SNAPSHOT)" ANSIBLE_VERBOSITY=$(verbose)
 
+test:
+	@echo SNAPSHOT="$(SNAPSHOT)"
+
 all: create deploy
 
 debug: