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Shrink image by merging game fetch/extract into one layer

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The downloaded zips and their extracted contents lived in separate RUN
layers, so the zips never actually left the image despite a later
rm -rf /tmp/apps layer. unzip/smbclient were also left installed after
only being needed at build time. Merging fetch, extract, cleanup, and
package purge into a single RUN drops the image from 2.31GB to 1.6GB.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NiNnj78HGx1KWyCCo39HSz
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jens
2026-07-28 08:18:18 +02:00
co-authored by Claude Sonnet 5
parent c4049a7d79
commit 79cc239dca
2 changed files with 23 additions and 16 deletions
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TODO.md
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# TODO
- Reduce image size of `jayfield/dosbox-novnc` (currently ~2.3GB).
- ~~Reduce image size of `jayfield/dosbox-novnc` (currently ~2.3GB).~~ Done: merged the
game download/extract steps and the unzip/smbclient install into a single layer (so the
downloaded zips and the packages only needed to extract them no longer persist in the
final image). 2.31GB -> 1.6GB.