Added some convenience scripts for Docker

script/docker_rebuild

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Full rebuild — builds a new image from source and restarts.
+# Use after code changes that rebuild_and_restart can't handle
+# (e.g. binary rename, Dockerfile changes, new system deps).
+#
+# Pass --no-cache for a clean rebuild (slower but guaranteed fresh).
+
+cd "$(dirname "$0")/.."
+
+if [[ -f .env ]]; then
+    set -a
+    source .env
+    set +a
+fi
+
+CACHE_FLAG=""
+if [[ "${1:-}" == "--no-cache" ]]; then
+    CACHE_FLAG="--no-cache"
+fi
+
+docker compose -f docker/docker-compose.yml down
+docker compose -f docker/docker-compose.yml build $CACHE_FLAG
+docker compose -f docker/docker-compose.yml up -d
+
+echo "Rebuild complete. Logs: docker compose -f docker/docker-compose.yml logs -f"