What are some advanced techniques for using Dockerfile executors in CircleCI?
You can optimize your Dockerfile executors in CircleCI by using multi-stage builds, caching layers, and custom images.
Can you explain how multi-stage builds work in this context?
Multi-stage builds allow you to use multiple FROM statements in your Dockerfile, enabling you to separate build and runtime environments.
How does caching layers improve build times?
Caching layers helps by reusing unchanged layers from previous builds, significantly reducing the time needed for subsequent builds.
Are there any best practices for writing Dockerfiles for CircleCI?
Yes, keep your Dockerfile clean, minimize the number of layers, and use specific tags for base images to ensure consistency.
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