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FROM python:3.9-slim
# 1. Install system dependencies including ffmpeg for audio processing
RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg git && \
apt-get clean && \
rm -rf /var/lib/apt/lists/*
# 2. Set up a writable Hugging Face cache directory
# This is the standard and correct way to avoid permission errors in Hugging Face Spaces.
ENV HF_HOME=/tmp/huggingface
ENV TRANSFORMERS_CACHE=/tmp/huggingface/transformers
ENV XDG_CACHE_HOME=/tmp/huggingface
RUN mkdir -p $HF_HOME && chmod -R 777 $HF_HOME
# 3. Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir -r requirements.txt
# 4. Copy the application files into the container
COPY . .
# 5. Set the command to run the application using Gunicorn
# This is a production-ready web server.
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]
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