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ubuntu - Docker Error bind: address already in use

When I run docker-compose up in my Docker project it failes with the following message:

Error starting userland proxy: listen tcp 0.0.0.0:3000: bind: address already in use

netstat -pna | grep 3000 shows this:

tcp        0      0 0.0.0.0:3000            0.0.0.0:*               LISTEN      -  

I've already tried docker-compose down, but it doesn't help.

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In your case it was some other process that was using the port and as indicated in the comments, sudo netstat -pna | grep 3000 helped you in solving the problem.

While in other cases (I myself encountered it many times) it mostly is the same container running at some other instance. In that case docker ps was very helpful as often I left the same containers running in other directories and then tried running again at other places, where same container names were used.

How docker ps helped me: docker rm -f $(docker ps -aq) is a short command which I use to remove all containers.

Edit: Added how docker ps helped me.


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