Question

To rebuild and re-push images quickly, you should optimize your Dockerfile for what?

1-Reproducibility: ensures your Dockerfile will create the same image every time it is built

2-Documentation: helps other engineers build and push images faster

3-Time to market: enables business users to get their features out faster

4-The layer cache: put lines that change more frequently near the end of the file

Answer 1

4) 4-The Layer cache

Docker images are layered and the Docker build and push commands cache layers in order that they push best layers that need to be updated. Each line in a Dockerfile creates a brand new layer, and because of the layer cache, the lines that trade more often (for instance, including source code to an photograph) ought to be indexed near the bottom of the record.

Answer 2

The layer cache: