FROM python:3.12-slim # System dependencies RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg libsndfile1 imagemagick fonts-dejavu-core wget curl && rm -rf /var/lib/apt/lists/* # Install Piper binary (pre-built for aarch64) RUN mkdir -p /opt/piper && ARCH=$(dpkg --print-architecture) && if [ "$ARCH" = "arm64" ]; then PIPER_ARCH="aarch64"; else PIPER_ARCH="x86_64"; fi && wget -q -O /tmp/piper.tar.gz "https://github.com/rhasspy/piper/releases/download/2023.11.14-2/piper_linux_${PIPER_ARCH}.tar.gz" && tar -xzf /tmp/piper.tar.gz -C /opt/ && rm /tmp/piper.tar.gz && ln -s /opt/piper/piper /usr/local/bin/piper # Create non-root user RUN useradd -m -u 1000 ttsuser WORKDIR /app # Python dependencies COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt # Download Piper voice models RUN mkdir -p /app/models && \ wget -q -O /app/models/de_DE-thorsten-high.onnx \ "https://huggingface.co/rhasspy/piper-voices/resolve/main/de/de_DE/thorsten/high/de_DE-thorsten-high.onnx" && \ wget -q -O /app/models/de_DE-thorsten-high.onnx.json \ "https://huggingface.co/rhasspy/piper-voices/resolve/main/de/de_DE/thorsten/high/de_DE-thorsten-high.onnx.json" && \ wget -q -O /app/models/en_US-lessac-high.onnx \ "https://huggingface.co/rhasspy/piper-voices/resolve/main/en/en_US/lessac/high/en_US-lessac-high.onnx" && \ wget -q -O /app/models/en_US-lessac-high.onnx.json \ "https://huggingface.co/rhasspy/piper-voices/resolve/main/en/en_US/lessac/high/en_US-lessac-high.onnx.json" # Copy application COPY . . # Fix ImageMagick policy for text rendering RUN if [ -f /etc/ImageMagick-6/policy.xml ]; then sed -i "s/rights=\"none\" pattern=\"PDF\"/rights=\"read|write\" pattern=\"PDF\"/" /etc/ImageMagick-6/policy.xml; fi RUN chown -R ttsuser:ttsuser /app USER ttsuser EXPOSE 8095 HEALTHCHECK --interval=30s --timeout=10s --start-period=120s --retries=3 CMD curl -sf http://127.0.0.1:8095/health || exit 1 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8095"]