this is the first commit for the Claude Iteration project.

backend/Dockerfile.prod

@@ -0,0 +1,24 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    postgresql-client \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN useradd --create-home --shell /bin/bash app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+RUN chown -R app:app /app
+
+USER app
+
+EXPOSE 5000
+
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "4", "app:app"]