Hello Dave,
check the Dev. agreement:
Go to the link https://store.sap.com/sap/cpa/ui/resources/store/html/StoreFront.html
On bottom - Database and Technology
In search field enter "SDK"
There is link that says Trial Version, but as far as I read it is free. Select it and you can read the Terms and Conditions "SAP DEVELOPER CENTER MASTER SOFTWARE DEVELOPER LICENSE AGREEMENT", the deployment should be clarified there.
Hope this will help.
Regards
Stefan