Update Dockerfile

Dockerfile

@@ -1,7 +1,16 @@
+# Use Python 3.12 slim image for smaller size
 FROM python:3.12-slim
 
+# Set working directory
 WORKDIR /app
 
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV STREAMLIT_SERVER_PORT=8501
+ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
+
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
@@ -9,13 +18,24 @@ RUN apt-get update && apt-get install -y \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application files
 COPY . .
 
-RUN pip3 install -r requirements.txt
+# Create a non-root user for security
+RUN useradd -m -u 1000 streamlit && chown -R streamlit:streamlit /app
+USER streamlit
 
+# Expose the port Streamlit runs on
 EXPOSE 8501
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Health check
+HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1
 
-ENTRYPOINT ["streamlit", "run", "streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Run the Streamlit application
+CMD ["streamlit", "run", "streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]