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From: "vlsi (@vlsi)" <noreply+vlsi@github.com>
To: "pgjdbc/pgjdbc" <noreply+pgjdbc-pgjdbc@github.com>
Date: Tue, 21 May 2024 20:48:18 +0000
Subject: Re: [pgjdbc/pgjdbc] PR #3257: test: add GitHub CI testing with PostgreSQL 15 and HEAD
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There's an extra `Dockerfile` that executes the relevant commands to build from source: https://github.com/pgjdbc/pgjdbc/blob/450488c142fdc368cab54e8257407603acc18c4f/docker/postgres-head/Dockerfile

So if you execute `docker-compose up` from `docker/postgresql-head`, then it would build and spawn PG from sources.

I think this PR is good to go. We will have both `HEAD` (build from source) and `latest` (the latest from DockerHub == the latest released one).
Building PG from source takes ~5 minutes, and we can possibly afford that on a per-PR basis.