diff --git a/installer/bin/cloudron-setup b/installer/bin/cloudron-setup
new file mode 100755
index 000000000..dc104c6c4
--- /dev/null
+++ b/installer/bin/cloudron-setup
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -eu -o pipefail
+
+readonly PROVISION_FILEPATH="/root/userdata.json"
+
+# TODO do we allow specifying version?
+# TODO add restore arguments (accessable url and encryption key)
+domain=""
+provider="generic"
+
+# Only GNU getopt supports long options. OS X comes bundled with the BSD getopt
+# brew install gnu-getopt to get the GNU getopt on OS X
+[[ $(uname -s) == "Darwin" ]] && GNU_GETOPT="/usr/local/opt/gnu-getopt/bin/getopt" || GNU_GETOPT="getopt"
+readonly GNU_GETOPT
+
+args=$(${GNU_GETOPT} -o "" -l "domain:,provider:," -n "$0" -- "$@")
+eval set -- "${args}"
+
+while true; do
+    case "$1" in
+    --domain) domain="$2"; shift 2;;
+    --provider) provider="$2"; shift 2;;
+    --) break;;
+    *) echo "Unknown option $1"; exit 1;;
+    esac
+done
+
+if [[ -z "${domain}" ]]; then
+    echo "--domain is required"
+    exit 1
+fi
+
+# TODO validate input
+
+cat > "${PROVISION_FILEPATH}" <<EOF
+{
+    "data": {
+        "fqdn": "${domain}",
+        "provider": "${provider}"
+    }
+}
+EOF
+
+# TODO print further instructions
+echo "The Cloudron is being initialized"
+echo "Create DNS record for this ip if not done already"
+echo "Once DNS is ready, visit https://my.${domain} to finish setup"