Spaces:
Running
Running
| # HARP dual-interpreter Space: pyharp/Gradio frontend (Python 3.10) + | |
| # isolated model backend (Python 3.9) via one-shot subprocess IPC. | |
| FROM python:3.10-slim-bullseye | |
| ENV DEBIAN_FRONTEND=noninteractive \ | |
| PYTHONUNBUFFERED=1 \ | |
| PYTHONIOENCODING=UTF-8 \ | |
| FRONTEND_VENV=/opt/frontend \ | |
| BACKEND_VENV=/opt/backend \ | |
| BACKEND_PYTHON=/opt/backend/bin/python \ | |
| BACKEND_SCRIPT=/app/backend_worker.py \ | |
| PORT=7860 | |
| # Debian 11 is end-of-life, so its packages now live on archive.debian.org. | |
| # Point apt there before the first update, and accept the stale Release files. | |
| RUN set -eux; \ | |
| printf 'deb http://archive.debian.org/debian bullseye main\ndeb http://archive.debian.org/debian-security bullseye-security main\n' \ | |
| > /etc/apt/sources.list; \ | |
| rm -f /etc/apt/sources.list.d/*.list; \ | |
| printf 'Acquire::Check-Valid-Until "false";\n' > /etc/apt/apt.conf.d/99no-check-valid-until | |
| RUN apt-get update && apt-get install -y --no-install-recommends \ | |
| build-essential \ | |
| curl \ | |
| git \ | |
| python3.9 \ | |
| python3.9-dev \ | |
| python3.9-venv \ | |
| python3.9-distutils \ | |
| libsndfile1 \ | |
| libsndfile-dev \ | |
| ffmpeg \ | |
| && rm -rf /var/lib/apt/lists/* | |
| WORKDIR /app | |
| COPY requirements-backend.txt /tmp/requirements-backend.txt | |
| RUN /usr/bin/python3.9 -m venv "$BACKEND_VENV" \ | |
| && printf 'setuptools<81\nwheel\n' > /tmp/backend-build-constraints.txt \ | |
| && "$BACKEND_VENV/bin/pip" install --no-cache-dir -U pip wheel "setuptools<81" \ | |
| && PIP_CONSTRAINT=/tmp/backend-build-constraints.txt "$BACKEND_VENV/bin/pip" install --no-cache-dir -r /tmp/requirements-backend.txt | |
| COPY requirements-frontend.txt /tmp/requirements-frontend.txt | |
| RUN /usr/local/bin/python3.10 -m venv "$FRONTEND_VENV" \ | |
| && "$FRONTEND_VENV/bin/pip" install --no-cache-dir -U pip wheel \ | |
| && "$FRONTEND_VENV/bin/pip" install --no-cache-dir -r /tmp/requirements-frontend.txt | |
| COPY backend_worker.py frontend_app.py start.sh ./ | |
| RUN chmod +x /app/start.sh | |
| # Every instrument's checkpoint, from the Magenta bucket the backend would otherwise reach on the | |
| # first request for each instrument. Set here, after the environments, so that their layers stay | |
| # cached. | |
| ENV DDSP_MODELS_DIR=/opt/ddsp_pretrained | |
| RUN "$BACKEND_PYTHON" -c "import backend_worker as w; [w._ensure_model(m) for m in w.PRETRAINED_MODELS]" \ | |
| && chmod -R a+rX "$DDSP_MODELS_DIR" | |
| EXPOSE 7860 | |
| CMD ["/app/start.sh"] | |