needed to add the /dev/gpiomem device docker container run --device /dev/gpiomem -d ubuntu https://iotbytes.wordpress.com/create-your-first-docker-container-for-raspberry-pi-to-blink-an-led/ not sure how to close a ticket on this platform
needed to add the /dev/gpiomem device docker container run --device /dev/gpiomem -d ubuntu
docker support