You can find more detailed information on the following links:
https://lemariva.com/blog/2019/03/edge-tpu-coral-usb-accelerator-rpi-docker
https://lemariva.com/blog/2019/04/edge-tpu-coral-usb-accelerator-dockerized
Edge-TPU (Google's Coral USB Accelerator) libraries installed on Docker image for Raspberry Pi 3 B+