Download
Download the NANO Image at https://opnsense.org/download/
Upload image into Object Store
Uncompress the downloaded image and upload it into a object store bucket.
Import image
Edit image details
Make sure to enable the shapes of your preference. E.g. all E4.Flex and E5.Flex shapes. ARM (A1) is not natively supported.
Create Compute Instance
Select the custom image and click at the “create instance” button:
Configure OPNsense
Login
Set network interface
Set new password
Configure Webgui
Chose option 8 – Shell
Attach NSG
Make sure to attach a NSG with appropriate rules.