CreateExpose parses user-provided exposed port definitions and converts them into SpecGen format.

CreatePortBindings iterates ports mappings into SpecGen format.

Mounts takes user-provided input from the --mount flag as well as Mounts specified in containers.conf and creates OCI spec mounts and Libpod named volumes.

ReadPodIDFile reads the specified file and returns its content (i.e., first line).

ReadPodIDFiles reads the specified files and returns their content (i.e., first line).