diff --git a/build.sh b/build.sh
index 778520e4..6a176a0c 100755
--- a/build.sh
+++ b/build.sh
@@ -29,14 +29,9 @@ if [ "${NO_DEPLOY:-0}" = "1" ]; then
 fi
 
 if ! podman pod exists "$POD"; then
-  echo "pod '$POD' does not exist - creating it"
-  podman pod create --name "$POD" \
-    -p 2398:2398 \
-    -p 127.0.0.1:2600:2600 \
-    -p 2400:2400 \
-    -p 12399:12399/udp \
-    -p 12400:12400/udp \
-    -p 12500-12999:12500-12999/udp
+  echo "error: pod '$POD' does not exist - create it first, e.g.:" >&2
+  echo "  podman pod create --name $POD -p 127.0.0.1:2401:2401" >&2
+  exit 1
 fi
 if [ ! -f .env ]; then
   echo "error: .env not found (containers are created with --env-file .env)" >&2