dex mounts $(pwd):/dex/workspace and sets you into that via --workdir=/dex/workspace
one pain is when your application references absolute paths / paths that aren't relative to your pwd. the briceburg/dosemu:dex image uses the dex workspace label to mount the host's root to /dex/workspace, and normalizes paths via its entrypoint.
dex mounts $(pwd):/dex/workspace and sets you into that via --workdir=/dex/workspace
one pain is when your application references absolute paths / paths that aren't relative to your pwd. the briceburg/dosemu:dex image uses the dex workspace label to mount the host's root to /dex/workspace, and normalizes paths via its entrypoint.