The platform for all the images on Dockerhub are linux/amd64.
Running docker run -dp 80:80 -v ./app:/app --name mysite automad/automad on my M2 Macbook:
Status: Downloaded newer image for automad/automad:latest
WARNING: The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested
The platform for all the images on Dockerhub are
linux/amd64.Running
docker run -dp 80:80 -v ./app:/app --name mysite automad/automadon my M2 Macbook: