From d07eaac0131f81db0dbacfbdae211e89254e2a05 Mon Sep 17 00:00:00 2001
From: Stefan Kreutz <mail@skreutz.com>
Date: Thu, 16 Apr 2026 01:33:50 +0200
Subject: Listen on UNIX domain socket only

This is a breaking change.
---
 CHANGELOG.md     | 1 +
 temp-postgres.sh | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c39b236..a546a2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ The format is based on [Keep A Changelog][] and this project adheres to [Semanti
 ### Changed
 
 * Turned required arguments `dbname` and `username` into optional flags `--dbname` resp. `--username`
+* Listen on UNIX domain socket only to enable multiple running instances
 * Ported to Arch Linux
 * Ported to FreeBSD
 
diff --git a/temp-postgres.sh b/temp-postgres.sh
index 96f90d2..e9a901c 100755
--- a/temp-postgres.sh
+++ b/temp-postgres.sh
@@ -81,7 +81,7 @@ initdb --pgdata="${tmpdir}" --username="${username}" || {
 }
 
 # Serve the directory
-( postgres -k "${tmpdir}" -D "${tmpdir}" </dev/null ) &
+( postgres -h "" -k "${tmpdir}" -D "${tmpdir}" </dev/null ) &
 postgres_pid=$!
 
 # Test the connection
-- 
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