# Stage 1: Install dependencies
FROM docker.io/python:3.13-alpine3.22 AS builder

COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONOPTIMIZE=2 \
    UV_COMPILE_BYTECODE=1 \
    UV_PROJECT_ENVIRONMENT=/opt/venv

COPY pyproject.toml .

RUN uv sync --no-dev --no-install-project --no-cache


# Stage 2: Start the application
FROM docker.io/python:3.13-alpine3.22

WORKDIR /app

COPY --from=builder /opt/venv /opt/venv

COPY . .

RUN adduser -D -g '' app && chown -R app:app ./

USER app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONOPTIMIZE=2 \
    PATH="/opt/venv/bin:$PATH" \
    DJANGO_SETTINGS_MODULE=config.settings

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --start-interval=2s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:8080/health?format=json || exit 1

CMD [ "opentelemetry-instrument", "--service_name", "backend-django", "--traces_exporter", "zipkin_json", "gunicorn", "config.wsgi", "--workers=8", "-b", "0.0.0.0:8080", "--access-logfile", "-", "--error-logfile", "-" ]