Update entrypoint.sh

entrypoint.sh

@@ -3,8 +3,8 @@
 # Check if the PostgreSQL data directory is empty
 if [ -z "$(ls -A /var/lib/postgresql/data)" ]; then
     echo "Initializing PostgreSQL database..."
-    gosu foobar /usr/lib/postgresql/*/bin/initdb -D /var/lib/postgresql/data
+    su - foobar -c "/usr/lib/postgresql/*/bin/initdb -D /var/lib/postgresql/data"
 fi
 
 # Start the PostgreSQL server
-exec gosu foobar /usr/lib/postgresql/*/bin/postgres -D /var/lib/postgresql/data
+exec su - foobar -c "/usr/lib/postgresql/*/bin/postgres -D /var/lib/postgresql/data"