Update Dockerfile

Dockerfile

@@ -1,20 +1,45 @@
-FROM python:3.13.5-slim
+# Use Python 3.9 slim image as base
+FROM python:3.9-slim
 
-WORKDIR /app
+# Set environment variables for headless operation
+ENV DISPLAY=:0 \
+    QT_QPA_PLATFORM=offscreen \
+    OPENCV_HEADLESS=1 \
+    PYTHONUNBUFFERED=1
 
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
-    build-essential \
-    curl \
-    git \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender-dev \
+    libgomp1 \
+    libgtk-3-dev \
+    libavcodec-dev \
+    libavformat-dev \
+    libswscale-dev \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
+# Set working directory
+WORKDIR /app
 
-RUN pip3 install -r requirements.txt
+# Copy requirements file
+COPY requirements.txt .
 
-EXPOSE 8501
+# Install Python packages
+RUN pip install --no-cache-dir -r requirements.txt
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Copy application code
+COPY . .
+
+# Create a non-root user
+RUN useradd --create-home --shell /bin/bash appuser && \
+    chown -R appuser:appuser /app
+USER appuser
+
+# Expose Streamlit port
+EXPOSE 8501
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Run the Streamlit app
+CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0", "--server.headless=true", "--server.enableCORS=false"]