Update gettingstarted.md

updating `docker-compose ps` output. Seems to be outdated
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Dr. Walter Kammergruber 2020-12-19 20:16:24 +01:00 committed by GitHub
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@ -318,10 +318,10 @@ Starting composetest_web_1...
$ docker-compose ps
Name Command State Ports
-------------------------------------------------------------------
composetest_redis_1 /usr/local/bin/run Up
composetest_web_1 /bin/sh -c python app.py Up 5000->5000/tcp
Name Command State Ports
-------------------------------------------------------------------------------------
composetest_redis_1 docker-entrypoint.sh redis ... Up 6379/tcp
composetest_web_1 flask run Up 0.0.0.0:5000->5000/tcp
```
The `docker-compose run` command allows you to run one-off commands for your