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| FROM python:3.11-slim | |
| WORKDIR /app | |
| # Install CPU-only PyTorch first (saves ~1.5GB vs full torch) | |
| RUN pip install --no-cache-dir torch==2.10.0 --index-url https://download.pytorch.org/whl/cpu | |
| # Install remaining dependencies | |
| COPY requirements.txt . | |
| RUN pip install --no-cache-dir -r requirements.txt | |
| # Copy application code | |
| COPY app/ app/ | |
| COPY ml_src/ ml_src/ | |
| # Copy model files — if they're Git LFS pointers, download the real files from GitHub | |
| COPY ml_models/ ml_models/ | |
| RUN MODEL_SIZE=$(wc -c < ml_models/ecgfounder_best.pt) && \ | |
| if [ "$MODEL_SIZE" -lt 1000 ]; then \ | |
| echo "Detected LFS pointers — downloading real model files from GitHub..." && \ | |
| apt-get update && apt-get install -y --no-install-recommends curl && \ | |
| curl -L -o ml_models/ecgfounder_best.pt \ | |
| "https://media.githubusercontent.com/media/Sanuka23/cardiac-monitor/main/backend/ml_models/ecgfounder_best.pt" && \ | |
| curl -L -o ml_models/xgboost_cardiac.joblib \ | |
| "https://media.githubusercontent.com/media/Sanuka23/cardiac-monitor/main/backend/ml_models/xgboost_cardiac.joblib" && \ | |
| apt-get purge -y curl && apt-get autoremove -y && rm -rf /var/lib/apt/lists/*; \ | |
| else \ | |
| echo "Model files are real (not LFS pointers) — no download needed"; \ | |
| fi | |
| # Unbuffered stdout so print() logs reach the Space logs immediately (and survive a crash) | |
| ENV PYTHONUNBUFFERED=1 | |
| EXPOSE 7860 | |
| CMD uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-7860} | |