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The layered fs that Docker uses is based on additive snapshots, so removing tools at the end will paradoxically increase your image size with a useless snapshot

by mayank 11y ago

The layered fs that Docker uses is based on additive snapshots, so removing tools at the end will paradoxically increase your image size with a useless snapshot.

xienze 11y ago
You can do everything within a single RUN statement to avoid that.
- mayank 11y ago
  Yes, but at the expense of readability, development speed, and incremental updates to images (where typically the dependencies layer changes slower than your target code).