build(binary-shield): HuggingFace docker space for demo

Dockerfile

@@ -0,0 +1,54 @@
+FROM python:3.13-slim
+
+# Install uv
+COPY --from=ghcr.io/astral-sh/uv:0.8.13 /uv /bin/
+
+# Set up user with ID 1000 (HF Spaces requirement)
+RUN useradd -m -u 1000 user
+
+# Switch to the user
+USER user
+
+# Set home to the user's home directory
+ENV HOME=/home/user \
+	PATH=/home/user/.local/bin:$PATH
+
+# Set the working directory to the user's home directory
+WORKDIR $HOME/app
+
+# Install system dependencies to speed up wheel building
+USER root
+RUN apt-get update && apt-get install -y \
+    gcc \
+    g++ \
+    libffi-dev \
+    libssl-dev \
+    build-essential \
+    curl \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Switch back to user
+USER user
+
+# Use copy link mode to avoid warnings with cache mounts
+ENV UV_LINK_MODE=copy
+
+# Copy the binary-shield directory structure
+COPY --chown=user . .
+
+# Install dependencies first (intermediate layer for better caching)
+# This layer will be cached and reused unless pyproject.toml changes
+RUN --mount=type=cache,target=/home/user/.cache/uv \
+    uv sync --no-install-project --all-groups
+
+# Install the project itself (this layer changes more frequently)
+RUN --mount=type=cache,target=/home/user/.cache/uv \
+    uv sync --compile-bytecode --all-groups
+
+# Expose port 7860 (HF Spaces default)
+EXPOSE 7860
+
+# Run the demo application
+CMD ["uv", "run", "python", "demo.py"]
+

Justfile

@@ -0,0 +1,12 @@
+set fallback
+
+deploy-demo:
+    #!/usr/bin/env bash
+    cd ..
+    if ! git remote show hf-binary-shield-demo-space >/dev/null 2>&1; then
+        echo "Error: Remote 'hf-binary-shield-demo-space' does not exist."
+        echo "Add it with: git remote add hf-binary-shield-demo-space git@hf.co:spaces/sudormrfbin/binary-shield"
+        exit 1
+    fi
+    git subtree push --prefix=binary-shield hf-binary-shield-demo-space main
+

README.md

@@ -1,3 +1,9 @@
+---
+title: Binary Shield Demo
+sdk: docker
+app_port: 7860
+---
+
 Implementation of the paper "Cross-Service Threat Intelligence in LLM Services using Privacy-Preserving Fingerprints".
 
 https://arxiv.org/abs/2509.05608v1

demo.py

@@ -327,4 +327,4 @@ def create_demo():
 
 if __name__ == "__main__":
     demo = create_demo()
-    demo.launch()
+    demo.launch(server_name="0.0.0.0", server_port=7860)