Move Host Layer to Alpine

[TrentTAMU]

Description

Moved from Ubuntu host layer image to Alpine in order to produce a smaller image.

Removed USER_ID and GROUP_ID settings since the deployment should be using k8s Secrets mounted to the filesystem instead of mounting NFS just for configs.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Ran the new image in Dev and tested by navigating to https://labs.library.tamu.edu/mylibrary and testing the responses from the CatalogService.

Source code/libraries have not been changed, so regression testing should not be necessary.

Test Configuration:

• Toolchain:
• SDK: 11-jdk-noble

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

<I'll get back to filling this out at some point, the issue is not urgent at all>

[coveralls]

Coverage Report for CI Build 29101840480

Coverage remained the same at 63.032%

Details

• Coverage remained the same as the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	1339
Covered Lines:	844
Line Coverage:	63.03%
Coverage Strength:	0.63 hits per line

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💛 - Coveralls