chore: Change feature-server and operator base images to ubi9 #4919
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What this PR does / why we need it:
Move towards UBI base images for feast related containers. Also, removing
libarrow-dev
libraries from feature-server image.Which issue(s) this PR fixes:
Fixes #4920
Misc
Removes unused
libarrow-dev
installation, which also reduces the size of the resulting image. This library hasn't been needed for close to 2 years since all Go feature server references were removed from the feast python code.#3554
For reference ... from the stale Feast docs on this removed component -
You must also install the Apache Arrow C++ libraries. This is because the Go feature server uses the cgo memory allocator from the Apache Arrow C++ library for interoperability between Go and Python, to prevent memory from being accidentally garbage collected when executing on-demand feature views.