FROM python:3.13-slim AS builder

# Prevent Python from writing .pyc files and enable unbuffered stdout/stderr
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1

WORKDIR /app

# Install build deps required to build wheels and tools needed to fetch uv
RUN apt-get update \
    && apt-get install -y --no-install-recommends build-essential gcc curl ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Install uv into this stage by copying official uv binaries from the uv image
COPY --from=ghcr.io/astral-sh/uv:python3.13-trixie-slim /uv /uvx /bin/

# Copy only metadata first so dependency installs can be cached
COPY pyproject.toml ./

# Use uv to resolve & install the project's dependencies (no project source yet)
# This creates a .venv containing all dependencies which we move to /install
RUN uv sync --no-install-project --no-editable \
    && mv .venv /install

# Copy application source (only used to include app files in final image)
COPY . /app

FROM python:3.13-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    API_PORT=8001

WORKDIR /app

# Bring uv into the final image so we can run the app with it
COPY --from=ghcr.io/astral-sh/uv:python3.13-trixie-slim /uv /uvx /bin/

# Copy the prepared environment from the builder and the application
COPY --from=builder /install /app/.venv
COPY --from=builder /app /app

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

EXPOSE ${API_PORT}

# Use uv to run the app inside the synced environment
CMD ["uv", "run", "python", "api_service.py"]