Problem with the millionaire problem



as per @pmp’s fix above, can you please upgrade your docker-compose version from 1.23.1 to 1.23.2 ? For reference, see:

As per docker-compose change log, they introduced a naming bug in 1.23.0 that persisted in 1.23.1 (your version from the network screenshot above) and they fixed it on 1.23.2. For reference, see:


I have updated the Requirements Section of the repo’s README accordingly to specify a version of docker-compose of 1.23.2 (or higher in the future).


i confirm that updating Docker solved the problem. Thanks victor!