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+# Use Python 3.9 slim image as base
+FROM python:3.9-slim
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application files
+COPY app.py .
+COPY wordle_words.txt .
+COPY templates/ templates/
+COPY static/ static/
+
+# Create a non-root user for security
+RUN useradd --create-home --shell /bin/bash app && chown -R app:app /app
+USER app
+
+# Expose port 7860 (Hugging Face Spaces default)
+EXPOSE 7860
+
+# Set environment variables
+ENV FLASK_APP=app.py
+ENV FLASK_ENV=production
+
+# Run the application
+CMD ["python", "app.py"]