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docker: Optimize image size by purging apt cache in dev stage #9806

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docker: Optimize image size by purging apt cache in dev stage #9806

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16 changes: 13 additions & 3 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,24 @@ ARG INSTALLER_ARGS=""
COPY etc/DependencyInstaller.sh /tmp/.
RUN <<EOF
set -e
# 1. Install dependencies via script
/tmp/DependencyInstaller.sh -ci -base
/tmp/DependencyInstaller.sh -ci -common -save-deps-prefixes=/etc/openroad_deps_prefixes.txt $INSTALLER_ARGS

# 2. Optimization: Strip libQt5Core if on Ubuntu
if echo "$fromImage" | grep -q "ubuntu"; then
echo "fromImage contains 'ubuntu' — stripping section from libQt5Core.so"
strip --remove-section=.note.ABI-tag /usr/lib/x86_64-linux-gnu/libQt5Core.so || true
else
echo "Skipping strip command as fromImage does not contain 'ubuntu'"
fi

# 3. THE DOCKER DIET: Purge apt cache to shrink image size
# This prevents temporary package lists from being saved into the image layer.
if command -v apt-get &> /dev/null; then
apt-get clean
rm -rf /var/lib/apt/lists/*
fi

# 4. Cleanup temporary files
rm -f /tmp/DependencyInstaller.sh
EOF

Expand Down Expand Up @@ -82,4 +92,4 @@ EOF
USER user
WORKDIR /home/user

ENTRYPOINT [ "openroad" ]
ENTRYPOINT [ "openroad" ]
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