Update Dockerfile

Dockerfile

@@ -5,6 +5,7 @@ FROM ubuntu:latest
 # RUN apt-get install -y vim 
 
 # RUN apt-get install -y nginx
+
 # 以上执行会创建 3 层镜像。可简化为以下格式：
 
 RUN apt-get update && apt-get install -y vim &&  apt-get install -y nginx
@@ -23,7 +24,8 @@ ENV HOME=/home/user \
 PATH=/home/user/.local/bin:$PATH
 # Set the working directory to the user's home directory
 WORKDIR $HOME
-RUN mkdir /usr/share/nginx/html/app
-RUN chown user /usr/share/nginx/html/app
+#RUN mkdir /usr/share/nginx/html/app
+#RUN chown user /usr/share/nginx/html/app
+COPY --chown=user . /usr/share/nginx/html/
 
 CMD ["nginx","-g","daemon off;"]