ROX-22044: postgresql 15

[RTann]

See for related changes: stackrox/rox-ci-image#198

DB integration tests run in a GitHub Workflow, so it should be using PostgreSQL 15. If not, I also tested it locally by running make db-integration-tests while running a PostgreSQL 15 server in the background.

[BradLugo]

I wouldn't normally comment on this, but since we're changing it in a few places, we don't generally favor printf over echo AFAIK. As for the readability (or even perhaps the functionality) of string interpolation, we usually use bash's parameter expansion syntax, i.e., ${MYVAR}. That being said, I wouldn't block a PR on this nit

[RTann]

I wouldn't normally comment on this, but since we're changing it in a few places, we don't generally favor printf over echo AFAIK. As for the readability (or even perhaps the functionality) of string interpolation, we usually use bash's parameter expansion syntax, i.e., ${MYVAR}. That being said, I wouldn't block a PR on this nit

I took these changes directly from https://github.com/docker-library/postgres/blob/44ef8b226a40f86cf9df3f9299067db6779a3aa3/15/bookworm/docker-entrypoint.sh and I think it'd be best to stay as close to the original source as possible, so I'm going to keep it as-is

[BradLugo]

Barring the image tags, LGTM!

[openshift-ci]

@RTann: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/slim-e2e-tests	435e979	link	false	/test slim-e2e-tests
ci/prow/e2e-tests	435e979	link	false	/test e2e-tests

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