/home/youruser/whisper-docker/
  ├── docker-compose.yml
  ├── Dockerfile
  ├── audio/             <-- this is ./audio on the host
  │     ├── sample.mp3
  └── models/

mkdir audio
cp ~/Downloads/myfile.mp3 audio/
docker compose run --rm whisper myfile.mp3 --model small --fp16 False

sudo docker compose run --rm whisper tape4.mp4 --model small --fp16 False --language en