Fix Dockerfile: Remove redundant config.toml copy

Dockerfile

@@ -14,13 +14,9 @@ RUN apt-get update && apt-get install -y \
 COPY requirements.txt .
 RUN pip3 install -r requirements.txt
 
-# Copy application files
+# Copy application files (includes .streamlit/config.toml)
 COPY . .
 
-# Create .streamlit directory and config
-RUN mkdir -p .streamlit
-COPY .streamlit/config.toml .streamlit/
-
 # Set environment variables for large uploads and stability
 ENV STREAMLIT_SERVER_MAX_UPLOAD_SIZE=1024
 ENV STREAMLIT_SERVER_MAX_MESSAGE_SIZE=1024

streamlit_app.py

@@ -86,8 +86,10 @@ with col1:
 if uploaded is not None:
     try:
         file_size_mb = len(uploaded.getvalue()) / (1024 * 1024)
-        st.success(f"✅ Upload successful! File: {uploaded.name} ({file_size_mb:.1f}MB)")
-        
+        st.success(
+            f"✅ Upload successful! File: {uploaded.name} ({file_size_mb:.1f}MB)"
+        )
+
         if file_size_mb > 200:
             st.info(
                 f"📁 Large file detected ({file_size_mb:.1f}MB). Processing may take a few minutes..."