diff --git a/deploy.sh b/deploy.sh
new file mode 100755
index 0000000..0b9dded
--- /dev/null
+++ b/deploy.sh
@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$PROJECT_ROOT"
+
+TARGET_BRANCH="${1:-$(git rev-parse --abbrev-ref HEAD)}"
+
+echo "==> Deploy directory: $PROJECT_ROOT"
+echo "==> Target branch: $TARGET_BRANCH"
+
+if [[ -n "$(git status --porcelain)" ]]; then
+  echo "Error: working tree is not clean."
+  echo "Please commit/stash local changes before deployment."
+  exit 1
+fi
+
+echo "==> Fetching remote updates..."
+git fetch --all --prune
+
+echo "==> Checking out branch: $TARGET_BRANCH"
+git checkout "$TARGET_BRANCH"
+
+echo "==> Pulling latest code from origin/$TARGET_BRANCH"
+git pull --ff-only origin "$TARGET_BRANCH"
+
+if [[ ! -f ".env" && -f ".env.example" ]]; then
+  cp ".env.example" ".env"
+  echo "==> Created .env from .env.example"
+fi
+
+if docker compose version >/dev/null 2>&1; then
+  COMPOSE_CMD="docker compose"
+elif command -v docker-compose >/dev/null 2>&1; then
+  COMPOSE_CMD="docker-compose"
+else
+  COMPOSE_CMD=""
+fi
+
+if [[ -n "$COMPOSE_CMD" ]]; then
+  echo "==> Restarting service with $COMPOSE_CMD"
+  $COMPOSE_CMD down
+  $COMPOSE_CMD up -d --build
+  echo "==> Deployment finished. Service: http://localhost:18000"
+else
+  echo "==> Docker Compose not found, fallback to ./start.sh"
+  chmod +x ./start.sh
+  ./start.sh
+fi