Docker - Image Optimization
How do you correctly specify the
scratch base image at the beginning of a Dockerfile?How do you correctly specify the scratch base image at the beginning of a Dockerfile?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the Dockerfile base image syntax
The correct keyword to specify a base image isFROM.Step 2: Use the exact base image name
The minimal base image is namedscratch, so the line should beFROM scratch.Final Answer:
FROM scratch -> Option CQuick Check:
Check Dockerfile syntax for base image declaration [OK]
Quick Trick: Always start with 'FROM scratch' for minimal base image [OK]
Common Mistakes:
- Using incorrect keywords like BASE or IMAGE
- Omitting the FROM keyword
- Misspelling 'scratch'
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