# 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
# This Dockerfile is flexible and works for both:
# - In-repo environments (with local src/core)
# - Standalone environments (with openenv-core from pip)
# The build script (openenv build) handles context detection and sets appropriate build args.

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

WORKDIR /app
ARG BUILD_MODE=in-repo

COPY . /app/env
WORKDIR /app/env

# Ensure uv is available
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

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

# Install uv properly
RUN curl -LsSf https://astral.sh/uv/install.sh | sh && \
    install -m 0755 /root/.local/bin/uv /usr/local/bin/uv && \
    install -m 0755 /root/.local/bin/uvx /usr/local/bin/uvx

# Two-pass install for better layer caching
RUN --mount=type=cache,target=/root/.cache/uv \
    uv sync --no-install-project --no-editable

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

# ── Runtime stage ──────────────────────────────────────────────────
FROM ghcr.io/meta-pytorch/openenv-base:latest

WORKDIR /app

# Copy venv and code from builder
COPY --from=builder /app/env/.venv /app/.venv
COPY --from=builder /app/env /app/env

# Environment
ENV PATH="/app/.venv/bin:$PATH"
ENV PYTHONPATH="/app/env:$PYTHONPATH"
ENV PYTHONUNBUFFERED=1
ENV ENABLE_WEB_INTERFACE=true

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1

# Default: start server
# Runtime inference credentials should be passed when needed via
# API_BASE_URL, MODEL_NAME, and HF_TOKEN.
CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]