Docker - in CI/CD
In a GitHub Actions workflow, you want to build a multi-architecture Docker image (amd64 and arm64) and push it. Which action or command helps achieve this?
In a GitHub Actions workflow, you want to build a multi-architecture Docker image (amd64 and arm64) and push it. Which action or command helps achieve this?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand multi-arch build
'docker buildx' supports building images for multiple platforms in one command.Step 2: Identify correct usage
Using 'docker buildx build --platform linux/amd64,linux/arm64' builds multi-arch images.Final Answer:
Use 'docker buildx build' with --platform flag -> Option BQuick Check:
Multi-arch build = docker buildx build [OK]
Quick Trick: Use buildx and --platform for multi-arch images [OK]
Common Mistakes:
- Building twice with docker build does not create multi-arch image
- docker-compose does not build multi-arch images
- docker run does not build images
Master "in CI/CD" in Docker
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