Update Dockerfile

Dockerfile

@@ -7,12 +7,6 @@ USER root
 RUN groupadd user && \
     useradd -d /home/user -ms /bin/bash -g user -G user -p user user
 
-RUN apt update -y && \
-    apt upgrade -y && \
-    apt install -yq nginx-full && \
-    apt clean
-    #rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-
 COPY nginx.conf /etc/nginx/nginx.conf
 
 # Copy static HTML content