it works now

.build/Dockerfile

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+FROM python:3.12-slim
+
+# Set working directory
+WORKDIR /app
+
+# Set environment variables
+#ENV PYTHONDONTWRITEBYTECODE=1 \
+#    PYTHONUNBUFFERED=1 \
+#    STREAMLIT_SERVER_PORT=8501 \
+#    STREAMLIT_SERVER_ADDRESS=0.0.0.0
+ARG PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    STREAMLIT_SERVER_PORT=8501 \
+    STREAMLIT_SERVER_ADDRESS=0.0.0.0
+
+# Install system dependencies
+#RUN apt-get update && \
+#    apt-get install -y --no-install-recommends \
+#    build-essential \
+#    curl \
+#    && 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 . .
+
+# Expose the port Streamlit runs on
+EXPOSE 8501
+
+# Command to run the application
+CMD ["streamlit", "run", "app.py"]