fix timezone

Dockerfile

@@ -10,6 +10,9 @@ ENV HF_HOME=/app/.cache/huggingface
 ENV TRANSFORMERS_CACHE=/app/.cache/transformers
 ENV SENTENCE_TRANSFORMERS_HOME=/app/.cache/sentence-transformers
 
+# Fix timezone
+ENV TZ=Asia/Ho_Chi_Minh
+
 # Cài đặt system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
@@ -18,6 +21,8 @@ RUN apt-get update && apt-get install -y \
     cmake \
     sqlite3 \
     libsqlite3-dev \
+    tzdata \
+    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone \
     && rm -rf /var/lib/apt/lists/*
 
 # Tạo cache directories với permissions đúng
@@ -34,4 +39,4 @@ RUN mkdir -p logs uploads chroma_data chroma_db && \
     chmod -R 777 logs uploads chroma_data chroma_db
 
 EXPOSE 7860
-CMD ["python", "app.py"]
+CMD ["python", "app.py"]