Docker - Image Optimization
Which of the following is the correct way to specify the
scratch base image in a Dockerfile?Which of the following is the correct way to specify the scratch base image in a Dockerfile?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Dockerfile syntax for base images
The correct syntax isFROM <image-name>without extra words.Step 2: Check official usage of scratch
scratchis a special empty image and is referenced simply asFROM scratch.Final Answer:
FROM scratch -> Option BQuick Check:
Base image syntax = FROM scratch [OK]
Quick Trick: Use exactly 'FROM scratch' in Dockerfile [OK]
Common Mistakes:
- Adding tags like :latest to scratch
- Using extra words like 'base' or 'minimal/'
- Incorrect syntax like FROM scratch:latest
Master "Image Optimization" in Docker
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Docker Quizzes