| # Production backend image for Arabic diacritization API (FastAPI + Diac + Whisper). | |
| # Build context: project root (see docker-compose.yml). | |
| FROM python:3.12-slim-bookworm | |
| ENV PYTHONDONTWRITEBYTECODE=1 \ | |
| PYTHONUNBUFFERED=1 \ | |
| PYTHONPATH=/app \ | |
| HF_HOME=/cache/huggingface \ | |
| TRANSFORMERS_CACHE=/cache/huggingface \ | |
| PIP_NO_CACHE_DIR=1 | |
| WORKDIR /app | |
| # git: install diac from GitHub; ffmpeg: audio format fallback in asr_service.py | |
| RUN apt-get update && apt-get install -y --no-install-recommends \ | |
| git \ | |
| build-essential \ | |
| ffmpeg \ | |
| libsndfile1 \ | |
| curl \ | |
| && rm -rf /var/lib/apt/lists/* | |
| COPY backend/requirements.txt ./backend/requirements.txt | |
| RUN pip install --no-cache-dir -r backend/requirements.txt | |
| COPY backend ./backend | |
| COPY app ./app | |
| COPY constants ./constants | |
| RUN useradd --create-home --uid 1000 appuser \ | |
| && mkdir -p /cache/huggingface \ | |
| && chown -R appuser:appuser /app /cache/huggingface | |
| USER appuser | |
| EXPOSE 8000 | |
| HEALTHCHECK --interval=30s --timeout=10s --start-period=180s --retries=3 \ | |
| CMD curl -f http://127.0.0.1:8000/health || exit 1 | |
| CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "8000"] | |