WORKDIR and USER

Most Dockerfile instructions affect the file system. However, the WORKDIR and USER change the behavior of subsequent Dockerfile instructions. Let's see if you have a grasp on how these new instructions change the behavior of other instructions.

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After using 'WORKDIR' in our Dockerfile, no instructions after 'WORKDIR allows us to change the path in which the command of the $\text{'}$CMD$\text{'}$ instruction is run.

After using 'USER' in our Dockerfile, no instructions after 'USER$`$ can use any other user than the one we set with 'USER', until the user is changed again.

'USER" allows us to change the user with which the command of the $\text{'}$CMD$\text{'}$ instruction is run.