Refactor the vault/secrets

playbooks/roles/vikunja/defaults/main.yml

@@ -1,4 +1,6 @@
 ---
+vikunja_jwt_secret: "{{ undef() }}"
+
 vikunja_svc:
   domain: "{{ all_services | service_get_domain(role_name) }}"
   port: 3456
@@ -11,7 +13,7 @@ vikunja_svc:
 
 vikunja_yml:
   service:
-    JWTSecret: "{{ vault_vikunja.jwt_secret }}"
+    JWTSecret: "{{ vikunja_jwt_secret | mandatory }}"
     publicurl: https://{{ svc.domain }}
     enableregistration: false
     timezone: "{{ timezone }}"