When building a Docker image, you are searching through a persistent data volume's logs to provide parameters for the next build. You execute the following command. Which of the operations will cause a failure of the Docker RUNcommand? RUN cat ./data/log/*.error | grep service_status | grep ERROR
A) the first grep command
B) any one of them
C) the second grep command
D) the cat command

Question

Quizplus · Accepted Answer

The second grep command will fail because it is trying to grep for the string "ERROR" in the output of the first grep command, which is a list of lines that contain the string "service_status". The second grep command will only match lines that contain both "service_status" and "ERROR", which is unlikely to be the case in the output of the first grep command.

When Building a Docker Image, You Are Searching Through a Persistent