[Solved] What will be the result of this Dockerfile snippet regarding image size?FROM ubuntu RUN apt-get update && apt-get install -y python3 RUN rm -rf /var/lib/apt/lists/* | Docker

Docker - Image Optimization

What will be the result of this Dockerfile snippet regarding image size?

FROM ubuntu
RUN apt-get update && apt-get install -y python3
RUN rm -rf /var/lib/apt/lists/*

AImage size is reduced by cleaning apt lists after install

BImage size remains large due to separate RUN commands

CImage size increases because apt-get update is not cleaned

DImage size is minimal because python3 is installed

Step-by-Step Solution

Solution:

Step 1: Identify cache cleanup
Removing '/var/lib/apt/lists/*' deletes apt cache files after install.
Step 2: Effect on image size
This cleanup reduces image size by removing unnecessary files.
Final Answer:
Cleaning apt lists after install reduces image size. -> Option A
Quick Check:
Cache cleanup reduces size = Image size is reduced by cleaning apt lists after install [OK]

Quick Trick: Clean apt cache after install to reduce image size [OK]

Common Mistakes:

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What will be the result of this Dockerfile snippet regarding image size?