fix dockerfile

Dockerfile

@@ -1,10 +1,10 @@
 FROM python:3.8.2
 
-RUN pip install django
 WORKDIR /app
 COPY config config
+COPY api api
 COPY manage.py manage.py
 COPY requirements.txt requirements.txt
 RUN pip install -r requirements.txt
 
-CMD ["python","manage.py","runserver", "0.0.0.0:8000"]
+CMD ["gunicorn","-b",":8000", "-w", "4", "config.wsgi"]

requirements.txt

@@ -1,3 +1,5 @@
 django
 djangorestframework
 pygments
+gunicorn
+whitenoise