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tts_testing_2_m
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# ─── TTS API — Hugging Face Spaces Dockerfile (GPU) ─────────────────────────
# SDK: Docker | Port: 7860
# Uses standalone Piper binary (no Python piper-tts dependency issues)
# ─────────────────────────────────────────────────────────────────────────────

FROM nvidia/cuda:11.8.0-cudnn8-runtime-ubuntu22.04

ENV DEBIAN_FRONTEND=noninteractive

# System dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 \
    python3-pip \
    python3-dev \
    wget \
    && ln -s /usr/bin/python3 /usr/bin/python \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies (only FastAPI — no piper-tts needed)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Download Piper standalone binary (Linux AMD64)
# This bundles onnxruntime, espeak-ng, piper_phonemize — zero Python conflicts
RUN wget -q -O piper_linux.tar.gz \
      "https://github.com/rhasspy/piper/releases/download/2023.11.14-2/piper_linux_x86_64.tar.gz" && \
    tar -xzf piper_linux.tar.gz && \
    rm piper_linux.tar.gz && \
    chmod +x /app/piper/piper && \
    echo "Piper binary installed successfully."

# Download voice models
RUN mkdir -p /app/models && \
    # English Male — Lessac
    wget -q -O /app/models/en_US-lessac-medium.onnx \
      "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/lessac/medium/en_US-lessac-medium.onnx" && \
    wget -q -O /app/models/en_US-lessac-medium.onnx.json \
      "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/lessac/medium/en_US-lessac-medium.onnx.json" && \
    # English Female — Amy
    wget -q -O /app/models/en_US-amy-medium.onnx \
      "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/amy/medium/en_US-amy-medium.onnx" && \
    wget -q -O /app/models/en_US-amy-medium.onnx.json \
      "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/amy/medium/en_US-amy-medium.onnx.json" && \
    # Arabic Male — Kareem
    wget -q -O /app/models/ar_JO-kareem-low.onnx \
      "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/ar/ar_JO/kareem/low/ar_JO-kareem-low.onnx" && \
    wget -q -O /app/models/ar_JO-kareem-low.onnx.json \
      "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/ar/ar_JO/kareem/low/ar_JO-kareem-low.onnx.json" && \
    echo "All models downloaded successfully."

# Copy application code
COPY main.py .

# Environment variables
ENV MODELS_DIR=/app/models
ENV PIPER_BIN=/app/piper/piper
ENV PYTHONUNBUFFERED=1

# Expose HF Spaces port
EXPOSE 7860

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]