diff --git a/hack/tfw_magic_start.sh b/hack/tfw_magic_start.sh
index 5949ae2..1131418 100755
--- a/hack/tfw_magic_start.sh
+++ b/hack/tfw_magic_start.sh
@@ -49,8 +49,26 @@ build_and_run_backend()
     run_backend
 }
 
-trap 'exit' INT TERM
-trap 'kill 0' EXIT
-build_baseimage
-run_frontend & build_and_run_backend
-wait
+start_tfw()
+{
+    trap 'exit' INT TERM
+    trap 'kill 0' EXIT
+    build_baseimage
+    run_frontend & build_and_run_backend
+    wait
+}
+
+case $1 in
+    start)
+        start_tfw
+    ;;
+    build)
+        build_backend
+    ;;
+    buildtfw)
+        build_baseimage
+    ;;
+    *)
+        echo "Usage: tfw_magic_start.sh [start|build|buildtfw]"
+    ;;
+esac