diff --git a/docker_db.sh b/docker_db.sh
index aa51ef4c94..5345c07d4a 100755
--- a/docker_db.sh
+++ b/docker_db.sh
@@ -185,7 +185,8 @@ postgresql_14() {
 
 postgresql_15() {
     $CONTAINER_CLI rm -f postgres || true
-    $CONTAINER_CLI run --name postgres -e POSTGRES_USER=hibernate_orm_test -e POSTGRES_PASSWORD=hibernate_orm_test -e POSTGRES_DB=hibernate_orm_test -p5432:5432 -d docker.io/postgis/postgis:15-3.3
+    $CONTAINER_CLI run --name postgres -e POSTGRES_USER=hibernate_orm_test -e POSTGRES_PASSWORD=hibernate_orm_test -e POSTGRES_DB=hibernate_orm_test -p5432:5432 --tmpfs /pgtmpfs:size=131072k -d docker.io/postgis/postgis:15-3.3 \
+      -c fsync=off -c synchronous_commit=off -c full_page_writes=off -c shared_buffers=256MB -c maintenance_work_mem=256MB -c max_wal_size=1GB -c checkpoint_timeout=1d
 }
 
 edb() {