Update Dockerfile

Dockerfile

@@ -12,7 +12,7 @@ WORKDIR $HOME/app
 
 # 4. Install requirements
 
-RUN pip install --no-cache-dir flask
+RUN pip install --no-cache-dir flask gunicorn
 
 # 5. Copy the rest of the application
 COPY --chown=user . .
@@ -21,4 +21,8 @@ COPY --chown=user . .
 EXPOSE 7860
 
 # 7. Launch
-CMD ["python3", "app.py"]
+CMD ["gunicorn", \
+     "--bind", "0.0.0.0:7860", \
+     "--timeout", "1000", \
+     "--worker-class", "gthread", \
+     "app:app"]