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Dockerfile should not matter in these regards. Why do you want to change the port number inside the container, just to be sure? You can change only the binding

I'm running 3 instances of wiremock to run a different service on each one, I'd assume there would be issues if the port in the container remains as 8080 for all of them? I could be wrong but please advise me otherwise 🙂

You could do it with `-p 9090`:`8083` to publish the Docker image's

8083

port to your local host as

9090

then if you had many of these, they'd each have a different port on your host, but the Docker image itself doesn't need to change / know what other ports are in use

So it would be

-p 8081:8080

,

-p 8082:8080

,

-p 8083:8080

for three Docker calls

Ah okay thanks guys! Appreciate the help