Update Dockerfile

Dockerfile

@@ -8,8 +8,10 @@ WORKDIR $APP_HOME
 COPY . ./
 
 ENV GOOGLE_APPLICATION_CREDENTIALS "./token.json"
+
 RUN chmod u+w static/uploaded_videos/ \
-    && chown -R user:user static/uploaded_videos/
+    && chown -R 1000:1000 static/uploaded_videos/
+
 RUN apt-get update && apt-get install -y \
     libglib2.0-0 \
     libsm6 \