Add dockerfile and requirements.txt

Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.9
+
+WORKDIR /code
+
+COPY ./requirements.txt /code/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+COPY ./main.py /code/main.py
+
+CMD ["fastapi", "run", "main.py", "--port", "80"]