Dockerfile

FROM python:3-slim AS builder

ADD . /app
WORKDIR /app

# We are installing a dependency here directly into our app source dir
RUN /usr/local/bin/python -m pip install --upgrade pip
RUN pip install --target=/app -r requirements.txt

# A distroless container image with Python and some basics like SSL certificates
# https://github.com/GoogleContainerTools/distroless
FROM gcr.io/distroless/python3-debian10

COPY --from=builder /app /app

WORKDIR /app

ENV PYTHONPATH /app

CMD ["/app/main.py"]