Add Docker configuration

.dockerignore

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+.git
+__pycache__
+*.pyc
+.env
+.venv
+virenv
+myenv
+DIAGRAMS.md
+DOCKER_SIMPLE.md
+HOSTING.md
+RESEARCH_DIAGRAMS.md
+WEBCRAFT_PROJECT_SUMMARY.md
+diagrams/

Dockerfile

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+# Use an official Python runtime as a parent image
+FROM python:3.10-slim
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# Create a non-root user
+RUN useradd -m -u 1000 user
+USER user
+WORKDIR $HOME/app
+
+# Install dependencies
+COPY --chown=user requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code
+COPY --chown=user . .
+
+# Expose the port (Hugging Face Spaces use 7860)
+EXPOSE 7860
+
+# Command to run the application
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]