Dockerfile

FROM python:3.10-slim

WORKDIR /app

COPY packages.txt /app/packages.txt
RUN apt-get update && \
    apt-get install -y --no-install-recommends git gcc libc6-dev build-essential && \
    xargs apt-get install -y --no-install-recommends < /app/packages.txt && \
    rm -rf /var/lib/apt/lists/*

ENV PIP_NO_BUILD_ISOLATION=1

RUN pip install --no-cache-dir -U pip wheel setuptools==80.9.0
RUN pip install --no-cache-dir numpy==1.23.5
RUN pip install --no-cache-dir llvmlite==0.40.0 numba==0.57.0
RUN pip install --no-cache-dir protobuf==3.20.3
RUN pip install --no-cache-dir tensorflow-cpu==2.12.0

# ddsp deps - note_seq pinned to 0.0.3 (pre protobuf-5 pb2 files)
# tensorflow-datasets omitted (training only, not needed for inference)
RUN pip install --no-cache-dir \
    absl-py \
    future \
    six \
    "gin-config>=0.3.0" \
    "scipy<=1.10.1" \
    "librosa<=0.10" \
    "pydub<=0.25.1" \
    "mir_eval<=0.7" \
    note_seq==0.0.3 \
    "hmmlearn<=0.2.7" \
    "dill<=0.3.4" \
    "cloudml-hypertune<=0.1.0.dev6" \
    "tensorflow-probability<=0.19" \
    "tflite_support<=0.1"

RUN pip install --no-cache-dir crepe==0.0.12 --no-build-isolation
RUN pip install --no-cache-dir ddsp==3.2.0 --no-deps
RUN PIP_CONSTRAINT="" pip install --no-cache-dir midi-ddsp --no-deps
RUN pip install --no-cache-dir pretty-midi music21 soundfile
RUN pip install --no-cache-dir git+https://github.com/TEAMuP-dev/pyharp.git@v0.3.0
RUN pip install --no-cache-dir gradio==5.28.0
RUN pip install --no-cache-dir --force-reinstall numpy==1.23.5 protobuf==3.20.3

COPY patch_ddsp.py /app/patch_ddsp.py
RUN python /app/patch_ddsp.py

COPY . /app

ENV PORT=7860
EXPOSE 7860
ENV PYTHONUNBUFFERED=1
ENV PYTHONIOENCODING=UTF-8

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