How would you correctly specify user namespace remapping to a custom user named dockremap in Docker's daemon.json?

easy📝 Syntax Q3 of 15

Docker - Security

How would you correctly specify user namespace remapping to a custom user named dockremap in Docker's daemon.json?

A{ "userns-remap": 1000 }

B{ "userns-remap": true }

C{ "userns-remap": "enabled" }

D{ "userns-remap": "dockremap" }

Step-by-Step Solution

Solution:

Step 1: Understand syntax
The userns-remap key expects a string specifying the username or "default".
Step 2: Apply custom user
To remap to a custom user, provide the username as the value.
Final Answer:
{ "userns-remap": "dockremap" } -> Option D
Quick Check:
Value must be a username string [OK]

Quick Trick: Use username string for userns-remap in daemon.json [OK]

Common Mistakes:

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