Postgres DB support for Lighthouse #8157
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Issue Addressed
#7638
Lays the groundwork for adding Postgres as an optional database backend.
Proposed Changes
Added Postgres dependencies (
sqlx, tokio) under a new postgres feature.Defined Cargo feature alias
beacon-node-postgresfor Lighthouse builds.Updated Makefile:
Added
beacon-node-postgrestoCROSS_FEATURESandlint-full.Introduced a helper target (
make beacon-node-postgres) to spin up Postgres in Docker and run Lighthouse with the Postgres feature enabled.