How to publish ports in docker files

Question

I need to map the ports on the host to the ports on the container. I can achieve this by running the \"docker run\" command with the -p option. How do

Answer 1

1. EXPOSE a list of ports on your Dockerfile.

2. Run docker run -d -P --name app_name app_image_name.

3. After the previous steps succeed,

   run docker port app_name which will display you an output like below:

   80/tcp -> 0.0.0.0:32769 443/tcp -> 0.0.0.0:32768