Dockerfile

# Fast, tiny base with CPU-only
FROM python:3.10-slim

# System deps
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

# Writable cache to avoid HF permissions issues
ENV APP_HOME=/code \
    APP_DATA=/tmp/stt_app \
    HF_HOME=/tmp/stt_app/hf \
    CTRANSLATE2_HOME=/tmp/stt_app/ct2
RUN mkdir -p $APP_HOME $APP_DATA && chmod -R 777 $APP_DATA
WORKDIR $APP_HOME

# Python deps
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# App
COPY app.py .

# Hugging Face Spaces expects the app on port 7860
ENV PORT=7860 HOST=0.0.0.0

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--log-level", "info"]