Update Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ LABEL author="Lan"
 LABEL email="vast@tom.com"
 
 
-#RUN chmod -R 777 /etc
+RUN chmod -R 777 /var
 RUN chmod 777 /etc/timezone
 
 RUN useradd -m -u 1000 user
@@ -11,7 +11,9 @@ USER user
 ENV PATH="/home/user/.local/bin:$PATH"
 
 
-RUN apt-get install --no-install-recommends -y git \
+RUN RUN set -x && \
+  apt-get update && \
+  apt-get install --no-install-recommends -y git && \
   echo "Asia/Shanghai" >/etc/timezone && \
   git config --global user.email "filecodebox@@users.noreply.github.com" && \
   git config --global user.name "filecodebox" && \