fix: add libproj-dev to unblock Docker build#707
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cailmdaley merged 2 commits intodevelopfrom Apr 19, 2026
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skyproj 2.3.0 (pulled transitively via cs_util==0.1.9) now requires the PROJ C library at build time, breaking the develop Docker build since 2026-03-31. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
skyproj setup.py looks for the proj executable on PATH (or PROJ_DIR). libproj-dev only provides headers; proj-bin provides the binary. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
developDocker build has been failing since the merge of Canfar Python Libraries #702 (2026-03-31).cs_util==0.1.9pulls inskyproj>=1.0.0unpinned. pip resolves to the latest, which is nowskyproj 2.3.0. Its build step requires the PROJ C library, which isn't installed in the image.RuntimeError: proj not found via PROJ_DIR env var or in path.libproj-devto the apt-get install list. One-line change.Test plan
Create and publish a Docker image) succeeds on this branch🤖 Generated with Claude Code