test/build-container: simple helper script

Simple helper to build the two container for the hub and the builder.

test/build-container.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -euo pipefail
+
+# this script must be run as root
+if [ $UID != 0 ]; then
+  echo This script must be run as root.
+  exit 1
+fi
+
+source /etc/os-release
+
+podman build \
+       -t koji.hub \
+       -f container/hub/Dockerfile.${ID} .
+
+podman build -t \
+       koji.builder \
+       -f container/builder/Dockerfile.${ID} .