This was extracted from the automated built docker image "zoobab/versaloon:v1.0".
$ ls
$ docker run -v $PWD:/mnt zoobab/versaloon:v1.0 bash -c "sudo cp -v /home/versaloon/code/*.bin /mnt"
'/home/versaloon/code/Versaloon-STM32F103C8_BluePill.bin' -> '/mnt/Versaloon-STM32F103C8_BluePill.bin'
$ ls
Versaloon-STM32F103C8_BluePill.bin
$ md5sum Versaloon-STM32F103C8_BluePill.bin
0edbd5a6145908fbe65d08f4e09cdc01 Versaloon-STM32F103C8_BluePill.bin