Update Dockerfile

Dockerfile

@@ -1,14 +1,42 @@
+# Use a slim Python base
 FROM python:3.10-slim
 
+# Set working directory
 WORKDIR /app
 
+# Streamlit runtime env (sane defaults)
+ENV STREAMLIT_SERVER_ENABLE_XSRF_PROTECTION=false
+ENV STREAMLIT_SERVER_ENABLE_CORS=false
+ENV STREAMLIT_SERVER_HEADLESS=true
+ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
+ENV STREAMLIT_SERVER_PORT=8501
+ENV STREAMLIT_SERVER_MAX_UPLOAD_SIZE=200  # MB
+
+# Install small set of system deps needed for pillow/pdf parsing
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libjpeg-dev \
+    zlib1g-dev \
+    git \
+    curl \
+  && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install python deps
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY app.py .
+# Create .streamlit config (ensures flags applied in the container)
+RUN mkdir -p /app/.streamlit \
+ && cat > /app/.streamlit/config.toml <<'EOF'\n[server]\nheadless = true\nenableXsrfProtection = false\nenableCORS = false\naddress = "0.0.0.0"\nport = 8501\nmaxUploadSize = 200\nEOF
 
-ENV STREAMLIT_SERVER_ENABLE_CORS=false
-ENV STREAMLIT_SERVER_ENABLE_XSRF_PROTECTION=false
+# Copy app (your Streamlit app file)
+COPY app.py .
 
+# Expose port and run Streamlit with explicit flags (override safe)
 EXPOSE 8501
-CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+CMD ["streamlit", "run", "app.py", \
+     "--server.enableXsrfProtection=false", \
+     "--server.enableCORS=false", \
+     "--server.headless=true", \
+     "--server.address=0.0.0.0", \
+     "--server.port=8501"]