FROM python:3.11 AS builder

ENV PATH="/opt/venv/bin:$PATH"
RUN python -m venv /opt/venv

COPY backend/requirements.txt /tmp/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /tmp/requirements.txt

FROM python:3.11-slim

WORKDIR /app
ENV PATH="/opt/venv/bin:$PATH"

RUN apt-get update && apt-get -y install ffmpeg curl unzip && rm -rf /var/lib/apt/lists/* && \
    pip install --target /dd_tracer/python/ ddtrace

COPY --from=builder /opt/venv /opt/venv
COPY --from=gcr.io/datadoghq/serverless-init:1 /datadog-init /app/datadog-init
COPY backend/ .

EXPOSE 8080
ENTRYPOINT ["/app/datadog-init"]
CMD ["/dd_tracer/python/bin/ddtrace-run", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8080"]