Dockerfile

FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    ffmpeg \
    git \
    libsndfile1 \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip
RUN pip install --upgrade pip setuptools wheel

# Install CPU Torch (safe for free Space)
RUN pip install torch==2.1.2 torchaudio==2.1.2 --index-url https://download.pytorch.org/whl/cpu

# Install NeMo ASR (IMPORTANT: NVIDIA index required)
RUN pip install nemo_toolkit[asr]==1.23.0 --extra-index-url https://pypi.ngc.nvidia.com

# Install Gradio
RUN pip install gradio==4.44.0

WORKDIR /app
COPY . /app

ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

EXPOSE 7860

CMD ["python", "app.py"]