Update Dockerfile

Dockerfile

@@ -34,8 +34,17 @@ RUN pip install --no-cache-dir \
 # ------------------------------------------------------
 # ✅ Environment tuning
 # ------------------------------------------------------
+# Safe OpenMP threads (integer only)
 ENV OMP_NUM_THREADS=4
+ENV MKL_NUM_THREADS=4
+
+# Disable OneDNN auto-tuning (stabilizes TF startup)
 ENV TF_ENABLE_ONEDNN_OPTS=0
+
+# Redirect Matplotlib config to a writable temp directory
+ENV MPLCONFIGDIR=/tmp/matplotlib
+
+# Prevent Python stdout buffering (helps Gradio logs)
 ENV PYTHONUNBUFFERED=1
 
 # ------------------------------------------------------