I mentioded below the contents which are in my dockerfile and I have tried commenting '''' githubsite''' and the also I have a error
the error is as follows.I'm using my mobile network but couldn't complete setup failed.
ERROR:
Docker file content:
FROM ubuntu:20.04
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
&& apt-get install -y libc6-dev vim git nano make gcc tar wget build-essential libreadline-dev gdb
RUN useradd -m nitcbase
USER nitcbase
RUN cd /home/nitcbase \
WORKDIR /home/nitcbase/NITCbase