refactor dockerfile 3 fix permission user non root

Dockerfile

@@ -21,11 +21,12 @@ RUN set -ex \
     && apt-get update \
     && apt-get upgrade -y \
     && apt-get install -y libjpeg-dev zlib1g-dev \
-    # 🔨 Buat folder ml-models untuk menyimpan model
+    # 🔨 Buat folder ml-models dan subfolder-nya + set permission
     && mkdir -p /app/ml-models/tinybert-sentiment-analysis \
              /app/ml-models/tinybert-disaster-tweet \
              /app/ml-models/vit-human-pose-classification \
     && chown -R appuser:appgroup /app/ml-models \
+    && chmod -R u+w /app/ml-models
     && apt-get autoremove -y \
     && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/*