FROM python:3-slim
RUN apt-get update -qqy && \
	apt-get -qqy install wget g++ && \
	rm -rf /var/lib/apt/lists/*
# show python logs as they occur
ENV PYTHONUNBUFFERED=0

# download the grpc health probe
RUN GRPC_HEALTH_PROBE_VERSION=v0.2.0 && \
    wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
    chmod +x /bin/grpc_health_probe

# get packages
WORKDIR /monitoring
COPY monitoring/requirements.in requirements.in
RUN python3 -m pip install pip-tools
RUN pip-compile --output-file=requirements.txt requirements.in
RUN python3 -m pip install -r requirements.txt

# add files into working directory
COPY /monitoring/. .
COPY /common/logger.py .

# set listen port
ENV PORT "7070"
EXPOSE 7070

ENTRYPOINT ["python", "/monitoring/monitoring_server.py"]