call the Docker self-hosting compose project 'zrok-instance'

docker/compose/zrok-instance/bootstrap-controller.bash

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o xtrace
+
+for arg in "${@}"; do
+    if [[ ! "${arg}" =~ ^- && -s "${arg}" ]]; then
+        CONFIG="${arg}"
+        break
+    fi
+done
+
+if [[ -z "${CONFIG}" ]]; then
+    echo "ERROR: args '${*}' do not contain a non-empty config file" >&2
+    exit 1
+fi
+
+# config.yml is first param
+zrok admin bootstrap --skip-frontend "${CONFIG}"
+
+exec "$@"