fix concurency and asyncronous request

Dockerfile

@@ -12,11 +12,11 @@ COPY . .
 RUN apt-get update -y
 RUN apt-get install libgl1-mesa-glx libglib2.0-0 -y
 RUN pip3 install --no-cache-dir -r requirements.txt
-
+# RUN apt install gunicorn
 
 
 # Make port 5000 available to the world outside this container
 EXPOSE 5000
 
 # Run the application
-CMD ["gunicron", "-b","--host","0.0.0.0:7860", "main:app"]
+CMD ["gunicorn", "-b","--host","0.0.0.0:7860", "main:app"]