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My system info.

  • Gentoo 64 bit
  • Docker version 18.03.1-ce, build 9ee9f40
  • Systemd
  • NetworkManager

After I installed and started the docker service, I was able to launch the nginx container and access the welcome page.

docker run --rm -p 80:80 nginx:latest

But after I killed the container, and re-launch it with the same command, the container can start, but I cannot access the welcome page at http://localhost:80. I also found the browser did not say the connection was refused, instead, it just waits forever.

If I restart the docker service, I was able to create a new nginx container and access the welcome page. But, if I kill the container, the same issue re-occurs.

It feels like the port mapping function only works once.

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