feat

Dockerfile

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+# Use an official lightweight Python image
+FROM python:3.11-slim
+
+# Create a non-root user (UID 1000 is required by Hugging Face Spaces)
+RUN useradd -m -u 1000 user
+
+# Set the working directory
+WORKDIR /app
+
+# Install system dependencies (required for Pillow and image processing)
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first to leverage Docker cache
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code and assign ownership to the non-root user
+COPY --chown=user:user . .
+
+# Switch to the non-root user
+USER user
+
+# Hugging Face Spaces route web traffic to port 7860
+EXPOSE 7860
+
+# Start the FastAPI server
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]

keystone-backend/requirements.txt

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+fastapi
+uvicorn
+sqlalchemy
+alembic
+supabase
+python-multipart
+pillow
+python-dotenv