JDK8镜像制作

拉取基础镜像

[root@kylin-master1-110 ~]# docker pull openjdk:8-jdk-alpine

编写Dockerfile文件

# 准备文件
[root@kylin-node2-113 jdk]# cat .profile
# ~/.profile: executed by the command interpreter for login shells.
# This file is not read by bash(1), if ~/.bash_profile or ~/.bash_login
# exists.
# see /usr/share/doc/bash/examples/startup-files for examples.
# the files are located in the bash-doc package.

# the default umask is set in /etc/profile; for setting the umask
# for ssh logins, install and configure the libpam-umask package.
#umask 022

# if running bash
if [ -n "$BASH_VERSION" ]; then
    # include .bashrc if it exists
    if [ -f "$HOME/.bashrc" ]; then
	. "$HOME/.bashrc"
    fi
fi

# set PATH so it includes user's private bin if it exists
if [ -d "$HOME/bin" ] ; then
    PATH="$HOME/bin:$PATH"
fi

# set PATH so it includes user's private bin if it exists
if [ -d "$HOME/.local/bin" ] ; then
    PATH="$HOME/.local/bin:$PATH"
fi

[root@kylin-node2-113 jdk]# cat .bashrc
# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac

# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it
shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar

# make less more friendly for non-text input files, see lesspipe(1)
#[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
	# We have color support; assume it's compliant with Ecma-48
	# (ISO/IEC-6429). (Lack of such support is extremely rare, and such
	# a case would tend to support setf rather than setaf.)
	color_prompt=yes
    else
	color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    #alias grep='grep --color=auto'
    #alias fgrep='fgrep --color=auto'
    #alias egrep='egrep --color=auto'
fi

# colored GCC warnings and errors
#export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'

# some more ls aliases
#alias ll='ls -l'
#alias la='ls -A'
#alias l='ls -CF'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
  if [ -f /usr/share/bash-completion/bash_completion ]; then
    . /usr/share/bash-completion/bash_completion
  elif [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
  fi
fi

[root@kylin-node2-113 jdk]# cat Dockerfile
FROM swr.cn-east-3.myhuaweicloud.com/beijia/openjdk:8-jdk-alpine
ENV LANG=C.UTF-8
ENV TZ=Asia/Shanghai
RUN sed -i "s/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g" /etc/apk/repositories
RUN apk update
RUN apk add --no-cache tzdata \
        && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
        && echo $TZ > /etc/timezone \
        && apk add --no-cache ttf-dejavu fontconfig \
        && fc-cache -f \
        && rm -rf /var/cache/apk/* \
        && apk add --no-cache busybox-extras \
        && apk add --no-cache curl \
        && apk add --no-cache bash
RUN mkdir -p /usr/share/fonts/cn /usr/lib/jvm/java-1.8-openjdk/jre/lib/fonts/fallback/
COPY ./.profile /root/.profile
COPY ./.bashrc /root/.bashrc
RUN source ~/.profile
RUN source ~/.bashrc
COPY ./SIMYOU.TTF /usr/share/fonts/cn/simsun.ttc
COPY ./SIMYOU.TTF /usr/lib/jvm/java-1.8-openjdk/jre/lib/jre/lib/fonts/fallback/simsun.ttc

build生成镜像

[root@kylin-node2-113 jdk]# docker build -t swr.cn-east-3.myhuaweicloud.com/beijia/jdk8:latest . --network=host

java应用镜像Dockerfile

[root@kylin-node2-113 jdk]# cat Dockerfile
# 基础镜像
FROM swr.cn-east-3.myhuaweicloud.com/beijia/jdk8:latest
#拷贝jar包
COPY demo-0.0.1-SNAPSHOT.jar /app/app.jar
#开放端口
EXPOSE 8080
# 入口
ENTRYPOINT ["java", "-Xms1024m", "-Xmx1024m", "-Djava.security.egd=file:/dev/./urandom", "-Dfile.encoding=utf-8", "-jar", "/app/app.jar"]
[root@kylin-node2-113 jdk]# docker build -t swr.cn-east-3.myhuaweicloud.com/beijia/app-java:1 .