Pipenv Dockerfile template

Dockerfile

FROM python:3-alpine AS base

WORKDIR /project
ENV PIPENV_VENV_IN_PROJECT=1

RUN pip install --no-cache-dir pipenv

COPY ./Pipfile* ./

# Install/build pipenv environment in separate container to reduce bulk
FROM base AS pipenv_builder

RUN apk add --no-cache \
    # <place any packages needed for building PIP deps here>
    && pipenv sync

# Final image
FROM base

ENV PYTHONPATH=/project/src

# Install lightweight versions of build packages with just the shared
# libraries needed
#RUN apk add --no-cache ...

# Copy over the pipenv environment
COPY --from=pipenv_builder /project/.venv ./.venv

# Copy main project files
COPY ./src /project/src/

CMD [ "pipenv", "run", "some-startup-task" ]