Yicong-Huang opened a new issue, #4634:
URL: https://github.com/apache/texera/issues/4634

   ### Task Summary
   
   Replace the python job's `apt-get install postgresql` + `systemctl start` 
sequence with the `services: postgres` container pattern the scala job already 
uses, so the python matrix no longer depends on the Azure Ubuntu apt mirror.
   
   ### Pain point
   
   The python job in `build.yml` installs Postgres via `apt-get update && 
apt-get install -y postgresql` on every run. When `azure.archive.ubuntu.com` 
(the default apt mirror on GitHub-hosted ubuntu runners) misbehaves, the apt 
step times out / returns stale metadata and the matrix fails before any test 
runs. Recent CI runs across multiple PRs failed for this reason; the ignored 
InRelease responses are visible in the logs:
   
   ```
   Ign:2 http://azure.archive.ubuntu.com/ubuntu noble InRelease
   Ign:3 http://azure.archive.ubuntu.com/ubuntu noble-updates InRelease
   ...
   ```
   
   ### Proposal
   
   Mirror the scala job's `services: postgres` block on the python job (image 
`postgres`, `POSTGRES_PASSWORD=postgres`, port 5432, `pg_isready` healthcheck) 
and connect via `psql -h localhost -U postgres -f 
sql/iceberg_postgres_catalog.sql`. Drop `Install PostgreSQL`, `Start PostgreSQL 
Service`, and the `sudo -u postgres psql -f` seed step.
   
   Side benefit: the postgres container starts in a few seconds vs. ~30 s for 
`apt-get update` even on a healthy day, and the `build.yml` no longer touches 
the Ubuntu apt mirror at all.
   
   ### Priority
   
   P2 – Medium
   
   ### Task Type
   
   - [x] DevOps / Deployment
   


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