Dockerfile

ARG BASE_IMAGE=ghcr.io/meta-pytorch/openenv-base:latest
FROM ${BASE_IMAGE} AS builder

WORKDIR /app

RUN apt-get update && \
    apt-get install -y --no-install-recommends git curl && \
    rm -rf /var/lib/apt/lists/*

COPY . /app/env
WORKDIR /app/env

RUN if ! command -v uv >/dev/null 2>&1; then \
        curl -LsSf https://astral.sh/uv/install.sh | sh && \
        mv /root/.local/bin/uv /usr/local/bin/uv && \
        mv /root/.local/bin/uvx /usr/local/bin/uvx; \
    fi

RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --extra training --no-install-project --no-editable

RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --extra training --no-editable

FROM ${BASE_IMAGE}

WORKDIR /app

COPY --from=builder /app/env/.venv /app/.venv
COPY --from=builder /app/env /app/env

ENV PATH="/app/.venv/bin:$PATH"
ENV PYTHONPATH="/app/env:$PYTHONPATH"

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import os, urllib.request; port = os.environ.get('PORT', '8000'); urllib.request.urlopen(f'http://127.0.0.1:{port}/health', timeout=2)"

CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port ${PORT:-8000} --proxy-headers --forwarded-allow-ips='*'"]