Create Dockerfile

Dockerfile

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+# Use a slim Python base image
+FROM python:3.9-slim
+
+# Set working directory
+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 .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the application code
+COPY app.py .
+
+# Expose the port Streamlit runs on
+EXPOSE 8501
+
+# Set environment variable to make Streamlit accessible externally
+ENV STREAMLIT_SERVER_PORT=8501
+ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
+
+# Health check
+HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+
+# Run the application
+CMD ["streamlit", "run", "app.py"]