Add a helper script that could be used for building docker image locally (for testing)

scripts/build_local_instance.sh

+#! /bin/bash
+set -euo pipefail
+
+SCRIPTSDIR="$(
+  cd -- "$(dirname "$0")" >/dev/null 2>&1
+  pwd -P
+)"
+
+IMAGE_TAG="local"
+SRC_DIR="${SCRIPTSDIR}/../"
+REGISTRY_URL="registry.gitlab.syncad.com/hive/clive"
+
+# EDIT THESE VARIABLES
+#    IMAGE could be get from prepare_hived_image job like: https://gitlab.syncad.com/hive/clive/-/jobs/787089#L342
+IMAGE="registry.gitlab.syncad.com/hive/hive/testnet-base_instance:testnet-base_instance-8233eeb01b15b2ea557e7a6d5c81f9e81b996b75"
+CLIVE_VERSION="1.27.5.2"
+BUILD_TESTNET=1
+
+BEEKEEPER_SOURCE_IMAGE="${IMAGE}"
+BASE_IMAGE="${IMAGE}"
+
+BUILD_INSTANCE_PATH=$(realpath "${SCRIPTSDIR}/ci-helpers/")
+cd "${BUILD_INSTANCE_PATH}"
+
+BUILD_ARGS=(
+  ${IMAGE_TAG}
+  ${SRC_DIR}
+  ${REGISTRY_URL}
+  --beekeeper-source-image=${BEEKEEPER_SOURCE_IMAGE}
+  --base-image=${BASE_IMAGE}
+  --clive-version=${CLIVE_VERSION}
+)
+
+if [ ${BUILD_TESTNET} -eq 1 ]; then
+  BUILD_ARGS+=(--embedded-testnet)
+fi
+
+./build_instance.sh "${BUILD_ARGS[@]}"