Add build.sh for Docker

build.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+IMAGE_NAME="isparkclaw-webui"
+REGISTRY="gitea.clickthings.net"
+TAG="${1:-latest}"
+HERMES_VERSION=$(git describe --tags --always 2>/dev/null || echo "unknown")
+
+echo "Building ${IMAGE_NAME}:${TAG} (version: ${HERMES_VERSION})"
+
+docker build \
+    --build-arg HERMES_VERSION="${HERMES_VERSION}" \
+    -t "${IMAGE_NAME}:${TAG}" \
+    -t "${REGISTRY}/${IMAGE_NAME}:${TAG}" \
+    .
+
+echo "Pushing to ${REGISTRY}"
+docker push "${REGISTRY}/${IMAGE_NAME}:${TAG}"
+
+if [ "$TAG" != "latest" ]; then
+    docker push "${REGISTRY}/${IMAGE_NAME}:latest"
+fi
+
+echo "Done!"