A working sample project demonstrating Docker containers configured with host mode talking to localhost services running on Docker host. Please note: it only works on a Linux box and will not work on your macOS!
Ref: https://docs.google.com/presentation/d/1wVE4h_mbSx0LsocRzoZPUpW3t0iQUyUapNeP3H6LphE/edit#slide=id.p