FROM python:3.12-slim
ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .
RUN useradd --create-home signal && mkdir -p /data && chown -R signal:signal /app /data
USER signal
ENV DATABASE_URL=sqlite:////data/signal.db
EXPOSE 8000
HEALTHCHECK --interval=30s --timeout=5s --start-period=45s CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/api/health', timeout=4)"
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1", "--no-access-log"]
