[Solved] What is the primary benefit of using cache mounts in Docker builds? — Ans: Speeds up builds by reusing cached data between build steps | Docker

Docker - Image Optimization

What is the primary benefit of using cache mounts in Docker builds?

ARemoves all temporary files after build

BIncreases the size of the final image

CSpeeds up builds by reusing cached data between build steps

DAutomatically updates base images

Step-by-Step Solution

Solution:

Step 1: Understand cache mount purpose
Cache mounts store data between build steps to avoid repeating work.
Step 2: Identify benefit in build speed
Reusing cached data reduces time spent downloading or compiling dependencies.
Final Answer:
Speeds up builds by reusing cached data between build steps -> Option C
Quick Check:
Cache mount benefit = Speed up builds [OK]

Quick Trick: Cache mounts save time by reusing data during builds [OK]

Common Mistakes:

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What is the primary benefit of using cache mounts in Docker builds?