| # 1️⃣ Base image | |
| FROM python:3.11-slim | |
| # Prevent Python from writing pyc files & buffering stdout/stderr | |
| ENV PYTHONDONTWRITEBYTECODE=1 | |
| ENV PYTHONUNBUFFERED=1 | |
| # 2️⃣ Set working directory | |
| WORKDIR /app | |
| # 3️⃣ Install OS dependencies | |
| RUN apt-get update && apt-get install -y --no-install-recommends \ | |
| build-essential \ | |
| && rm -rf /var/lib/apt/lists/* | |
| # 4️⃣ Set Hugging Face cache to /tmp (auto-cleaned by system) | |
| ENV HF_HOME=/tmp/.huggingface | |
| RUN mkdir -p /tmp/.huggingface | |
| # 5️⃣ Copy and install Python dependencies | |
| COPY requirements.txt . | |
| RUN pip install --no-cache-dir -r requirements.txt | |
| # 6️⃣ REMOVED: Pre-download was causing cache buildup | |
| # Model will download at runtime to /tmp instead | |
| # This prevents Docker layer accumulation | |
| # 7️⃣ Copy the entire project | |
| COPY . . | |
| # 8️⃣ Expose HF Spaces default port | |
| EXPOSE 7860 | |
| # 9️⃣ Run the app | |
| CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--reload"] |