Update Dockerfile

Dockerfile

@@ -1,9 +1,15 @@
 # Use an official Python runtime
 FROM python:3.11-slim
 
-# 1. FORCE PYTHON TO PRINT LOGS IMMEDIATELY (Crucial for debugging!)
+# Force Python to print logs immediately
 ENV PYTHONUNBUFFERED=1
 
+# 1. FIX MATPLOTLIB WARNING: Give it a writable temp folder
+ENV MPLCONFIGDIR=/tmp/matplotlib
+
+# 2. FIX LIGHTGBM ERROR: Install the missing Linux C++ library
+RUN apt-get update && apt-get install -y libgomp1 && rm -rf /var/lib/apt/lists/*
+
 # Set the working directory
 WORKDIR /app
 
@@ -14,7 +20,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy all your backend files into the container
 COPY . .
 
-# 2. GRANT FILE PERMISSIONS TO HUGGING FACE (Prevents silent read errors for .pkl files)
+# Grant file permissions to Hugging Face user
 RUN chown -R 1000:1000 /app
 USER 1000