What should I do if I cannot access nginx after docker starts it?

Problem restoration:

Install the nginx image in docker, use the following command to create an nginx container and start it.

docker run --name nginx -d nginx

After startup, enter the IP address in the browser to access, but the access failed.

Cause analysis:

The mapping port parameter of port 80 is missing

The correct command is:

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

Start the container again, in the browser The access can be successful.

Note: Even if the default port 80 listening container is used, the mapping port parameter of port 80 must be specified in the running command.

Recommended tutorial: docker tutorial

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