update

ubuntu/Dockerfile

@@ -0,0 +1,23 @@
+FROM            ubuntu:20.04
+MAINTAINER      Colben colbenlee@gmail.com
+ADD             --chown=root:root /ADD/localtime /etc/localtime
+ENV             LANG=en_US.UTF-8
+ENV             LANGUAGE=en_US
+RUN             echo "\n\
+export HISTCONTROL=ignoredups:ignorespace\n\
+export HISTSIZE=10000\n\
+export HISTFILESIZE=20000\n\
+export HISTTIMEFORMAT='[%d %R] '\n\
+export PS1='\[\e[33;1;1m\][\[\e[0m\]\[\e[35;1m\]\u\[\e[0m\]\[\e[33;1;1m\]@\[\e[0m\]\[\e[31;1;1m\]docker\[\e[0m\]\[\e[32;1;1m\](\h)\[\e[0m\]\[\e[33;1;1m\]:\[\e[0m\]\[\e[32m\]\w\[\e[0m\]\[\e[33;1;1m\]]\[\e[0m\]\[\e[36m\]\$\[\e[0m\] '\n\
+export PS2='\[\e[36m\]>\[\e[0m\] '\n\
+alias ls='ls --color=auto'\n\
+alias grep='grep --color=auto'\n\
+" > /etc/bash.bashrc \
+                    && ln -sf /bin/bash /bin/sh \
+                    && apt update -y \
+                    && apt install -y ca-certificates \
+                    && sed -i '/^deb /s,http://ports.ubuntu.com,https://mirrors.tuna.tsinghua.edu.cn,' /etc/apt/sources.list \
+                    && apt update -y \
+                    && apt install -y vim-tiny less curl iproute2 \
+                    && rm -rf /var/lib/apt/lists/* /var/lib/dpkg/info/* /var/cache/apt/archives /root/.bashrc /root/.profile
+