atlas-iac/dockerfiles/Dockerfile.hermes-jetson-tts

# syntax=docker/dockerfile:1
# dockerfiles/Dockerfile.hermes-jetson-tts
FROM python:3.11-slim-bookworm@sha256:d29f48a31a8b408ed19272ca1e7b10ebae13b240a27e862d3d4217c528e2e0c3

RUN python -m pip install --no-cache-dir piper-tts==1.5.0

# Pin the voice data in the image so synthesis has no runtime dependency on
# Hugging Face or mutable model metadata.
ADD --checksum=sha256:4cabf7c3a638017137f34a1516522032d4fe3f38228a843cc9b764ddcbcd9e09 --chmod=0444 \
    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/lessac/high/en_US-lessac-high.onnx?download=true \
    /opt/models/piper/en_US-lessac-high.onnx
ADD --checksum=sha256:db42b97d9859f257bc1561b8ed980e7fb2398402050a74ddd6cbec931a92412f --chmod=0444 \
    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/lessac/high/en_US-lessac-high.onnx.json?download=true \
    /opt/models/piper/en_US-lessac-high.onnx.json
ADD --checksum=sha256:5efe09e69902187827af646e1a6e9d269dee769f9877d17b16b1b46eeaaf019f --chmod=0444 \
    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/lessac/medium/en_US-lessac-medium.onnx?download=true \
    /opt/models/piper/en_US-lessac-medium.onnx
ADD --checksum=sha256:efe19c417bed055f2d69908248c6ba650fa135bc868b0e6abb3da181dab690a0 --chmod=0444 \
    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/lessac/medium/en_US-lessac-medium.onnx.json?download=true \
    /opt/models/piper/en_US-lessac-medium.onnx.json
ADD --checksum=sha256:f7d01dde371555732c4c314111ac79672b1a5ce2fc19266ab42178fd8df7f375 --chmod=0444 \
    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/lessac/low/en_US-lessac-low.onnx?download=true \
    /opt/models/piper/en_US-lessac-low.onnx
ADD --checksum=sha256:45754dfdebb3b8661c3fc564713772deec6e064feeb5b4e9594857dc7305193a --chmod=0444 \
    https://huggingface.co/rhasspy/piper-voices/resolve/ea046e8458f6acd997706d6e6066a022b42f6fb1/en/en_US/lessac/low/en_US-lessac-low.onnx.json?download=true \
    /opt/models/piper/en_US-lessac-low.onnx.json
RUN chmod 0555 /opt/models /opt/models/piper

COPY dockerfiles/hermes-jetson-tts-server.py /opt/atlas/hermes-jetson-tts-server.py
RUN chmod 0555 /opt/atlas/hermes-jetson-tts-server.py

# Load the actual pinned voice during the ARM64 build. This catches package or
# model-format drift before the image can reach Flux.
RUN python -c "import stat; from pathlib import Path; from piper import PiperVoice; p=Path('/opt/models/piper'); models=[p/'en_US-lessac-high.onnx',p/'en_US-lessac-medium.onnx',p/'en_US-lessac-low.onnx']; assert stat.S_IMODE(p.stat().st_mode)==0o555; assert all(stat.S_IMODE(model.stat().st_mode)==0o444 for model in models); voices=[PiperVoice.load(model,Path(str(model)+'.json'),use_cuda=False,download_dir=p) for model in models]; assert all(voice.config.sample_rate>0 for voice in voices)"

ENV HERMES_TTS_HOST=0.0.0.0 \
    HERMES_TTS_PORT=9001 \
    HERMES_TTS_VOICE=en_US-lessac-medium \
    HERMES_TTS_CACHE=/opt/models/piper \
    OMP_NUM_THREADS=2 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

EXPOSE 9001
ENTRYPOINT ["python", "/opt/atlas/hermes-jetson-tts-server.py"]