change min docker-compose version

Sebastian Wiesendahl 2019-03-08 15:59:27 +01:00
parent 6e495b7afc
commit ab23c0f121

@ -92,7 +92,7 @@ edit the crontab file `nano cron/sa-learn`:
with plain docker-compose:
```docker-compose
version: "3.3"
version: "2"
services:
mail: