Exposing network ports In fact, there are two parameters in Docker that involve exposing network ports, namely -p and -P. The following will introduce them separately. -P With -P, Docker will randomly assign an unused port to the application on the host and map it to the open port in the container. -p The -p parameter has several different uses: hostPort:containerPort This usage is to bind the host port and the container port, as follows: The above command means mapping port 80 of the host machine to port 80 of the container. The first port 80 is port 80 of the host machine, and the second port 80 is port 80 of the container. ip:hostPort:containerPort This method maps the port of the specified IP address to the port of the container. as follows: Map port 80 of the 192.168.0.195 address to port 80 of the container. ip::containerPort This method maps a random port of a specified IP address to an open port of a container, as follows The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM. You may also be interested in:
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