How to: ![✔] 8.13 Clean NODE_MODULE cache
**TL;DR:** After installing dependencies in a container remove the local cache. It doesn't make any sense to duplicate the dependencies for faster future installs since there won't be any further installs - A Docker image is immutable. Using a single line of code tens of MB (typically 10-50% of the image size) are shaved off

**Otherwise:** The image that will get shipped to production will weigh 30% more due to files that will never get used

🔗 [**Read More: Clean NODE_MODULE cache**](./sections/docker/clean-cache.md)