server/Dockerfile

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.

# Multi-stage build using openenv-base.
# Supports both in-repo and standalone builds; the openenv CLI handles
# context detection and sets BUILD_MODE / ENV_NAME.

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 && \
    rm -rf /var/lib/apt/lists/*

ARG BUILD_MODE=in-repo
ARG ENV_NAME=prompt_golf_env

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 \
    if [ -f uv.lock ]; then \
        uv sync --frozen --no-install-project --no-editable; \
    else \
        uv sync --no-install-project --no-editable; \
    fi

RUN --mount=type=cache,target=/root/.cache/uv \
    if [ -f uv.lock ]; then \
        uv sync --frozen --no-editable; \
    else \
        uv sync --no-editable; \
    fi

# Final runtime stage
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"

# Default: use mock target so the image boots on CPU-only hosts without
# downloading a 0.5B-param model at first request. Override at `docker run`
# time with -e PROMPT_GOLF_TARGET_BACKEND=hf -e PROMPT_GOLF_TARGET_MODEL=...
ENV PROMPT_GOLF_TARGET_BACKEND=mock

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]