Create Dockerfile

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Copy requirements first for better layer caching
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY app.py .
+COPY .env.example .env
+
+# Create required directories
+RUN mkdir -p conversations exports
+
+# Expose port
+EXPOSE 3000
+
+# Command to run the application
+CMD ["python", "app.py"]