fixing docker-compose DEV_MODE

docker-compose.yml

@@ -152,6 +152,11 @@ services:
     build:
       context: .
       target: superset-node
+      args:
+        # This prevents building the frontend bundle since we'll mount local folder
+        # and build it on startup while firing docker-frontend.sh in dev mode, where
+        # it'll mount and watch local files and rebuild as you update them
+        DEV_MODE: "true"
     environment:
       # set this to false if you have perf issues running the npm i; npm run dev in-docker
       # if you do so, you have to run this manually on the host, which should perform better!