docker: driver failed programming external connectivity on endpoint webserver

Question

I am trying to run a docker example following this documentation

This is my command:

docker run -d -p 80:80 --name webserver nginx

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Answer 1

From your error message, the EADDRINUSE indicates port 80 is already in use on either the docker VM or possibly directly on your laptop. You can either stop whatever is running on that port, or change the port used in your Docker, command. To change to the external port 8080, use:

docker run -d -p 8080:80 --name webserver nginx