Update Dockerfile

Dockerfile

@@ -103,3 +103,14 @@ ENV PYTHONUNBUFFERED=1 \
 	SHELL=/bin/bash
 
 CMD ["./start_server.sh"]
+
+FROM python:3.9
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["python", "zefir7b_api.py"]