A DevOps engineer has built a new container and must open port 8080 for intercontainer communication. Which command must be added in a Dockerfile to accomplish this goal?
A) EXPOSE 8080
B) FIREWALL ADD-PORT 8080
C) PORT 8080
D) OPEN PORT 8080

Question

Quizplus · Accepted Answer

The EXPOSE instruction in a Dockerfile is used to inform Docker that the container listens on the specified network ports at runtime.

A DevOps Engineer Has Built a New Container and Must