Update CI

Dockerfile

@@ -0,0 +1,15 @@
+FROM python:3.9-slim-buster
+
+WORKDIR /app
+
+COPY src/ /app/src/
+COPY requirements.txt /app/
+COPY setup.py /app/
+
+RUN python -m venv venv
+RUN . venv/bin/activate && pip install -r requirements.txt && python setup.py install
+
+RUN python -m pytest
+RUN python setup.py sdist bdist_wheel
+
+CMD ["python", "app.py"]