Update Dockerfile

Dockerfile

@@ -7,11 +7,11 @@ RUN apk update && \
 
 RUN git clone https://github.com/len-ni/Youcom_api && \
     cd Youcom_api && \
-    sed -i "s/debug=True, port=50600/host='0.0.0.0', port=8000/g" api.py && \
-    pip install -r requirements.txt
+    sed -i "s/debug=True/host='0.0.0.0'/g" api.py && \
+    pip install -r requirements.txt && pip install gunicorn
 
 WORKDIR /Youcom_api
 
 EXPOSE 8000
 
-CMD ["python", "api.py"]
+CMD gunicorn -w 4 -b 0.0.0.0:8000 api:app