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@@ -1,23 +1,28 @@
+# Dockerfile
 FROM python:3.10-slim
 
-# Set working directory in the container
 WORKDIR /app
+# tells the system to treat /app as the "home" directory, so Streamlit will create /app/.streamlit instead of /.streamlit.
+# /app is already writable as root, so no permission issues.
+ENV HOME=/app
 
-# Copy requirements and install dependencies
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
 
-# Create non-root user for HF Spaces and make /app writable
-RUN adduser --disabled-password --gecos '' --uid 1000 --gid 1000 user && chown -R user:user /app
 
-# Copy application files
-COPY . .
+# (Optional) system deps if you need them; safe to remove if not needed
+RUN apt-get update && apt-get install -y --no-install-recommends curl && rm -rf /var/lib/apt/lists/*
 
-# Expose Streamlit port
-EXPOSE 8501
+# Install Python deps
+COPY requirements.txt /app/
+RUN pip install --upgrade pip && pip install --no-cache-dir -r requirements.txt
 
-# Health check for Streamlit
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1
+# Copy code
+COPY . /app
 
-# Run Streamlit as the non-root user
-CMD ["streamlit", "run", "frontend.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Do NOT set STREAMLIT_SERVER_PORT here.
+# Spaces will inject $PORT at runtime.
+
+
+# Start Streamlit on the port Spaces provides, and bind to 0.0.0.0
+# CMD ["bash", "-lc", "streamlit run /app/frontend.py --server.port $PORT --server.address 0.0.0.0"]
+# CMD ["sh", "-c", "streamlit run /app/frontend.py --server.port $PORT --server.address 0.0.0.0"]
+CMD ["streamlit", "run", "/app/frontend.py", "--server.port", "8501", "--server.address", "0.0.0.0"]