chore: better env

Author: jarekdanielak

demo/.env

@@ -1,2 +1,8 @@
-export ZEEBE_REST_ADDRESS='http://localhost:8088'
-export CAMUNDA_OPERATE_BASE_URL='http://localhost:8088/operate'
+# Camunda 8 Run default Docker Compose setup
+# See https://docs.camunda.io/docs/self-managed/quickstart/developer-quickstart/docker-compose/
+ZEEBE_REST_ADDRESS='http://localhost:8088'
+CAMUNDA_OPERATE_BASE_URL='http://localhost:8088/operate'
+
+# Disable OAuth token disk cache for demo purposes
+# Do not change this value unless you know what you are doing
+CAMUNDA_TOKEN_DISK_CACHE_DISABLE=true