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What is Alpine Linux and why is it popular in Docker?

Entry Docker
Quick Answer Alpine is a minimal Linux distro built for security and small footprint รขโ‚ฌโ€ the base image is about 5MB vs 100MB+ for Ubuntu. Popular in Docker because smaller images build faster, pull faster, and reduce the attack surface. Trade-off: it uses musl libc instead of glibc, which can cause compatibility issues with some software.

Answer

Alpine Linux is a lightweight distribution (~5MB). Alpine-based images significantly reduce final image size.
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