Navid EMAD fd0700a572 dockerfile: fix curl|sh pipefail; trim builder stage ...

- Download rustup to a file then execute, so a failed curl is not
  masked by sh's exit code under /bin/sh (no pipefail).
- Add --no-install-recommends and apt-list cleanup to both apt stages
  (stage 0 drops from 156 to 116 packages, 1144 MB to 605 MB).
- Add --retry 3 --retry-delay 2 to all 4 external downloads.
- Use git clone --depth 1 (28 MB to 9.6 MB working tree).
- Drop -v from tar for minisign and zig extractions (log noise only).

Final shipped image is unchanged; the wins live in the builder stage
and build-cache footprint.

2026-05-15 23:45:06 +02:00

3.1 KiB

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