Copilot commented on code in PR #43182:
URL: https://github.com/apache/superset/pull/43182#discussion_r3797513641


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Dockerfile:
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@@ -194,14 +194,17 @@ COPY scripts/check-env.py scripts/
 # keeping for backward compatibility
 COPY --chmod=755 ./docker/entrypoints/run-server.sh /usr/bin/
 
-# Some debian libs
+# Some debian libs. Only runtime shared libraries belong here: the matching
+# `-dev` packages drag in a full C toolchain (libc6-dev, linux-libc-dev,
+# libssl-dev, ...) that no final image needs. Stages that compile native Python
+# extensions install the headers they require themselves.

Review Comment:
   The comment says the `-dev` packages "drag in a full C toolchain", but this 
stage does not install/retain compilers (and `pip-install.sh` already 
installs/purges `build-essential`). To avoid misleading future readers, 
describe these as development headers/build-time deps rather than a toolchain.



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