Remove shell

Dockerfile

@@ -10,6 +10,5 @@ COPY . .
 
 EXPOSE 7860
 
-ENTRYPOINT ["/bin/sh", "-c"]
-CMD ["shiny run app.py --host 0.0.0.0 --port 7860"]
+CMD ["shiny", "run", "app.py", "--host", "0.0.0.0", "--port", "7860"]