Rename python app file

Signed-off-by: Maysun J Faisal <maysunaneek@gmail.com>

Author: maysunfaisal

app.py __main__.pyapp.py renamed to __main__.py

@@ -17,4 +17,4 @@ RUN pip install -r requirements.txt
 COPY . .
 
 # Specify the command to run on container start
-CMD [ "python", "./app.py" ]
+CMD [ "python", "." ]