Azure IoT Edge's set of Tier 1 operating systems has been updated with Debian. Official IoT Edge installation packages targeting ARM32v7 for the latest releases (1.1.13 and 1.2.9) are now available from Microsoft's package repository. The packages can be used for either Debian 11 (Bullseye) or the latest Raspberry Pi OS.
For details about installing on a Debian-based system refer to documentation on how to Create an IoT Edge device.