Ray base image has pandas 1.5.3 compiled against numpy 1.x, but TheRock
PyTorch ROCm wheels require numpy 2.x. This causes:
ValueError: numpy.dtype size changed, may indicate binary incompatibility
Fix by installing pandas 2.x which is compatible with numpy 2.x.
- Use BuildKit syntax 1.7 with cache mounts for apt/uv
- Switch from pip to uv for 10-100x faster installs (ADR-0014)
- Add OCI Image Spec labels for container metadata
- Add HEALTHCHECK directives for orchestration
- Add .dockerignore to reduce context size
- Update Makefile with buildx and lint target
- Add retry logic to ray-entrypoint.sh
Refs: ADR-0012 (uv), ADR-0014 (Docker best practices)
