# 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
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'); assert stat.S_IMODE(p.stat().st_mode)==0o555; assert stat.S_IMODE((p/'en_US-lessac-high.onnx').stat().st_mode)==0o444; v=PiperVoice.load(p/'en_US-lessac-high.onnx', p/'en_US-lessac-high.onnx.json', use_cuda=False, download_dir=p); assert v.config.sample_rate > 0"

ENV HERMES_TTS_HOST=0.0.0.0 \
    HERMES_TTS_PORT=9001 \
    HERMES_TTS_VOICE=en_US-lessac-high \
    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"]