fix concurency and asyncronous request

Dockerfile

@@ -19,4 +19,4 @@ RUN pip3 install --no-cache-dir -r requirements.txt
 EXPOSE 5000
 
 # Run the application
-CMD ["gunicorn", "-b","--host","0.0.0.0:7860", "main:app"]
+CMD ["gunicorn", "--bind","--host","0.0.0.0:7860", "main:app"]

main.py

@@ -78,4 +78,4 @@ async def upload_image():
         })
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', debug=True, port=5000)
+    app.run(host='0.0.0.0', debug=True, port=7860)