diff --git a/dev.sh b/dev.sh
new file mode 100755
index 0000000..305ae44
--- /dev/null
+++ b/dev.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -Eeuo pipefail
+
+HELM_RELEASE_NAME=demo
+
+if [[ "$#" -lt 1 || "$#" -gt 2 ]]; then
+    echo "Usage:"
+    echo "  $0 template [sync-wave]"
+    echo "  $0 list"
+    echo "  $0 help"
+    exit 1
+fi
+
+case "$1" in
+template)
+    if [ -z "${2:-}" ]; then
+        exec helm template "$HELM_RELEASE_NAME" infrastructure $(yq '.spec.source.helm.parameters[] | ("--set=" + .name + "=" + .value)' infrastructure.yaml)
+    else
+        "$0" template | sync_wave="$2" yq eval '. | select(.metadata.annotations["argocd.argoproj.io/sync-wave"] == env(sync_wave))'
+    fi
+    ;;
+list)
+    "$0" template | yq eval -Nr '.metadata.annotations["argocd.argoproj.io/sync-wave"]' | sort -g | uniq
+    ;;
+*)
+    ;;
+esac
+
+exit 0