Added basic docker configuration for test

Dockerfile

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+# Use Python 3.11 slim image for smaller size
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Install system dependencies if needed
+RUN apt-get update && apt-get install -y \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY code/ ./code/
+COPY csv_files/ ./csv_files/
+COPY mypy.ini .
+
+# Create necessary directories
+RUN mkdir -p deck_files logs
+
+# Set the working directory to code for proper imports
+WORKDIR /app/code
+
+# Run the application
+CMD ["python", "main.py"]