Installation via Docker does not works

[edgars]

A clear and concise description of what the bug is.

Expected results

Trying to install the latest docker-compose.yml it complains that the port 5432 is already used by another container.

[Warning] One or more build-args [NPM_BUILD_CMD] were not consumed
Successfully built 424d1de91eea
Successfully tagged incubator-superset_superset-tests-worker:latest
WARNING: Image for service superset-tests-worker was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`.
Creating superset_cache ... 
Creating superset_db    ... 
Creating superset_db    ... error

ERROR: for superset_db  Cannot start service db: driver failed programming external connectivity on endpoint superset_dCreating superset_cache ... done
.1:5432: bind: address already in use

ERROR: for db  Cannot start service db: driver failed programming external connectivity on endpoint superset_db (68e29817629c9ee178eb06052d7b57398a548f8738cb88f8bb03aaa512d279bf): Error starting userland proxy: listen tcp 127.0.0.1:5432: bind: address already in use
ERROR: Encountered errors while bringing up the project.
root@vmi452115:~/incubator-superset# 

I followed exactly what is on the docs

Any help please?

OS- Ubuntu 18.04 and Macos - Same error on both.