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Running
File size: 2,883 Bytes
ee472e7 c54d8a2 ee472e7 c54d8a2 ee472e7 c54d8a2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | # Build frontend
FROM node:18 as frontend-build
WORKDIR /app
COPY frontend/package*.json ./
RUN npm install
COPY frontend/ ./
RUN npm run build
# Build backend
FROM python:3.12-slim
WORKDIR /app
# Create non-root user
RUN useradd -m -u 1000 user
# Install poetry
RUN pip install poetry
# Create and configure cache directory
RUN mkdir -p /app/.cache && \
chown -R user:user /app
# Copy and install backend dependencies
COPY backend/pyproject.toml backend/poetry.lock* ./
RUN poetry config virtualenvs.create false \
&& poetry install --no-interaction --no-ansi --no-root --only main
# Isolated venv for the eval worker (heavy ML deps: torch + braindecode from git),
# kept OUT of the web app's pinned stack to avoid version conflicts. Built before
# the code COPY so it stays cached across code-only rebuilds. Non-fatal: if the
# install fails, the web app still builds and the worker is simply disabled.
RUN apt-get update && apt-get install -y --no-install-recommends git \
&& python -m venv /opt/worker-venv \
&& /opt/worker-venv/bin/pip install --no-cache-dir -U pip \
&& (/opt/worker-venv/bin/pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu \
&& /opt/worker-venv/bin/pip install --no-cache-dir huggingface_hub pandas pyarrow open-eeg-bench \
|| echo "WARN: eval-worker deps failed to install; worker disabled at runtime") \
&& chown -R user:user /opt/worker-venv \
&& rm -rf /var/lib/apt/lists/*
# Copy backend code
COPY backend/ .
# Install Node.js and npm
RUN apt-get update && apt-get install -y \
curl \
netcat-openbsd \
&& curl -fsSL https://deb.nodesource.com/setup_18.x | bash - \
&& apt-get install -y nodejs \
&& rm -rf /var/lib/apt/lists/*
# Copy frontend server and build
COPY --from=frontend-build /app/build ./frontend/build
COPY --from=frontend-build /app/package*.json ./frontend/
COPY --from=frontend-build /app/server.js ./frontend/
# Install frontend production dependencies
WORKDIR /app/frontend
RUN npm install --production
WORKDIR /app
# Environment variables
ENV HF_HOME=/app/.cache \
HF_DATASETS_CACHE=/app/.cache \
INTERNAL_API_PORT=7861 \
PORT=7860 \
NODE_ENV=production \
RUN_EVAL_WORKER=1
# Note: HF_TOKEN should be provided at runtime, not build time
USER user
EXPOSE 7860
# Start the API, the (optional) CPU eval worker, and the frontend. The worker
# runs in its own venv as a background --watch loop. Disable it without a rebuild
# by setting RUN_EVAL_WORKER=0 in the Space settings, then restarting.
CMD ["sh", "-c", "uvicorn app.asgi:app --host 0.0.0.0 --port 7861 & if [ \"$RUN_EVAL_WORKER\" = \"1\" ]; then PYTHONPATH=/app /opt/worker-venv/bin/python -m scripts.run_eval_worker --watch --limit 1 --interval 300 --device cpu & fi; while ! nc -z localhost 7861; do sleep 1; done && cd frontend && npm run serve"]
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