add Dockerfile

Dockerfile

@@ -0,0 +1,34 @@
+FROM python:3.8-alpine as base
+
+ENV PYROOT /pyroot
+ENV PYTHONUSERBASE $PYROOT
+
+
+FROM base as builder
+
+RUN apk add --no-cache \
+    gcc \
+    g++ \
+    musl-dev \
+    python3-dev && \
+    pip3 install pipenv
+
+COPY Pipfile* ./
+
+RUN PIP_USER=1 PIP_IGNORE_INSTALLED=1 pipenv install --system --deploy --ignore-pipfile
+RUN pip3 uninstall --yes pipenv
+
+
+FROM base
+
+# Install six explicitly. Otherwise Python complains about it missing.
+RUN pip3 install six
+
+COPY --from=builder $PYROOT/bin/ $PYROOT/bin/
+COPY --from=builder $PYROOT/lib/ $PYROOT/lib/
+
+WORKDIR /app
+
+COPY . .
+
+CMD ["python3", "run_prod.py"]