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Dockerfile

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+FROM python:3.9-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first to leverage Docker cache
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application
+COPY . .
+
+# Set environment variables
+ENV FLASK_APP=app.py
+ENV FLASK_ENV=development
+ENV PYTHONUNBUFFERED=1
+
+# Expose the port the app runs on
+EXPOSE 5000
+
+# Command to run the application
+CMD ["flask", "run", "--host=0.0.0.0"]