Update Dockerfile

Dockerfile

@@ -61,7 +61,7 @@ RUN export XVFBARGS="-screen 0 1280x1024x24" && \
     sleep 3  && \
     curl -L https://download.qt.io/official_releases/qt/5.9/5.9.4/qt-opensource-linux-x64-5.9.4.run --output qt-opensource-linux-x64-5.9.4.run && \
     chmod +x qt-opensource-linux-x64-5.9.4.run && \
-    ./qt-opensource-linux-x64-5.9.4.run --script /root/qt-installer-noninteractive.qs
+    ./qt-opensource-linux-x64-5.9.4.run -v --script /root/qt-installer-noninteractive.qs
     
 # Entry point
 USER root