Dockerfile-ModelServer

FROM python:3.7.5 as builder

# Copy source code
COPY . /code
# Copy .git to deduce version number
COPY .git /code/

WORKDIR /code
RUN rm -rf /code/dist \
    && python setup.py sdist \
    && mv /code/dist/$(ls /code/dist | head -1) /code/dist/gordo-packed.tar.gz

# Extract a few big dependencies which docker will cache even when other dependencies change
RUN cat /code/requirements.txt | grep tensorflow== > /code/prereq.txt \
    && cat /code/requirements.txt | grep pyarrow== >> /code/prereq.txt \
    && cat /code/requirements.txt | grep scipy== >> /code/prereq.txt \
    && cat /code/requirements.txt | grep catboost== >> /code/prereq.txt


FROM python:3.7.5-slim-stretch

# Nonroot user for running CMD
RUN groupadd -g 999 gordo && \
    useradd -r -u 999 -g gordo gordo

ENV HOME "/home/gordo"
ENV PATH "${HOME}/.local/bin:${PATH}"

# Install requirements separately for improved docker caching
COPY --from=builder /code/prereq.txt .
RUN pip install --no-deps -r prereq.txt --no-cache-dir

COPY requirements.txt .
RUN pip install -r requirements.txt --no-cache-dir

# Install gordo, packaged from earlier 'python setup.py sdist'
COPY --from=builder /code/dist/gordo-packed.tar.gz .
RUN pip install gordo-packed.tar.gz

# Make gordo own all in its home
RUN chown -R gordo:gordo ${HOME}

# Switch user
USER gordo

# Run things from gordo's home to have write access when needed (e.g. Catboost tmp files)
WORKDIR ${HOME}

CMD ["gordo", "run-server"]