Add HF Spaces Dockerfile, Git LFS for model weights

.gitattributes

@@ -1 +1,5 @@
+models/*.safetensors filter=lfs diff=lfs merge=lfs -text
+models/*.pt filter=lfs diff=lfs merge=lfs -text
+models/*.pth filter=lfs diff=lfs merge=lfs -text
+models/*.bin filter=lfs diff=lfs merge=lfs -text
 guidelines/index/faiss.index filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -25,10 +25,6 @@ data/lesions/
 data/patients.json
 
 # Model weights (large binaries — store separately)
-models/*.pt
-models/*.pth
-models/*.bin
-models/*.safetensors
 
 # macOS
 .DS_Store

Dockerfile

@@ -1,40 +1,43 @@
+# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
 FROM python:3.10-slim
 
+# HF Spaces runs as uid 1000
+RUN useradd -m -u 1000 user
+ENV PATH="/home/user/.local/bin:$PATH"
+
 WORKDIR /app
 
 # Install Node.js for building the React frontend
 RUN apt-get update && \
-    apt-get install -y curl && \
     curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
-    apt-get install -y nodejs && \
+    apt-get install -y nodejs curl && \
     rm -rf /var/lib/apt/lists/*
 
-# Install Python dependencies
-COPY requirements.txt ml-requirements.txt
-COPY backend/requirements.txt api-requirements.txt
+# Install Python dependencies as root (faster) then hand off to user
+COPY --chown=user requirements.txt ml-requirements.txt
+COPY --chown=user backend/requirements.txt api-requirements.txt
 RUN pip install --no-cache-dir -r ml-requirements.txt -r api-requirements.txt
 
 # Build React frontend
-COPY web/ web/
+COPY --chown=user web/ web/
 WORKDIR /app/web
 RUN npm ci && npm run build
 
 WORKDIR /app
 
 # Copy application source
-COPY models/ models/
-COPY backend/ backend/
-COPY data/case_store.py data/case_store.py
-COPY guidelines/ guidelines/
+COPY --chown=user models/ models/
+COPY --chown=user backend/ backend/
+COPY --chown=user data/case_store.py data/case_store.py
+COPY --chown=user guidelines/ guidelines/
 
-# Runtime directories (writable by the app)
+# Runtime data directories — must be writable by user 1000
 RUN mkdir -p data/uploads data/patient_chats data/lesions && \
-    echo '{"patients": []}' > data/patients.json
+    echo '{"patients": []}' > data/patients.json && \
+    chown -R user:user data/
 
-# HF Spaces runs as a non-root user — ensure data dirs are writable
-RUN chmod -R 777 data/
+USER user
 
-# HF Spaces uses port 7860
 EXPOSE 7860
 
 CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]

models/seed42_fold0.pt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:377e92a4f813a15b11c67977d27025ce5c526e95b069730719235b3ae471e42a
+size 355288009