# 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 OpenEnv sources)
# - Standalone environments (with openenv from PyPI/Git)
# The build script (openenv build) handles context detection and sets appropriate build args.

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

WORKDIR /app

# Install git (needed for dependencies)
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=mentalHealthPatientenv

# Copy environment code
COPY . /app/env

WORKDIR /app/env

# Ensure uv exists
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 dependencies
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 venv + code
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"

# =========================
# ENV VARIABLES (NO KEYS HERE)
# =========================
# Only defaults — NO secrets
ENV WORKERS=4
ENV MAX_CONCURRENT_ENVS=100
ENV HOST=0.0.0.0
ENV PORT=8000

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

# =========================
# START SERVER
# =========================
ENV ENABLE_WEB_INTERFACE=true
CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host $HOST --port $PORT --workers $WORKERS"]