DockerでEclipseとXfceデスクトップ環境とTigerVNCがインストールされたイメージ(Ubuntu18.04)を作成する

EclipseはオープンソースのIDEです。

〇Eclipseの画面

VNCクライアントから接続するときにパスワードにubuntuを指定します。

〇イメージのビルド

docker build --no-cache -t ub180vncxfceeclipse201912 .

Dockerfile

from ubuntu:18.04

ENV DEBIAN_FRONTEND=noninteractive
run apt-get update \
  && apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade \
  && apt-get install -y language-pack-ja-base language-pack-ja \
  && ln -sf /usr/share/zoneinfo/Asia/Tokyo /etc/localtime \
  && echo 'Asia/Tokyo' > /etc/timezone \
  && locale-gen ja_JP.UTF-8 \
  && echo 'LC_ALL=ja_JP.UTF-8' > /etc/default/locale \
  && echo 'LANG=ja_JP.UTF-8' >> /etc/default/locale
env LANG=ja_JP.UTF-8 \
   LANGUAGE=ja_JP.UTF-8 \
   LC_ALL=ja_JP.UTF-8
run apt-get -y install \
      xubuntu-desktop \
      xfce4-terminal \
      tigervnc-standalone-server \
      expect \
      fcitx-mozc \
      fonts-ipafont-gothic \
      fonts-ipafont-mincho \
      vim \
      gvfs-bin \
      xdg-utils \
  && cd /opt \
  && wget 'https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u242-b08/OpenJDK8U-jdk_x64_linux_hotspot_8u242b08.tar.gz' \
  && tar xvfz OpenJDK8U-jdk_x64_linux_hotspot_8u242b08.tar.gz \
  && echo 'export JAVA_HOME=/opt/jdk8u242-b08' >> /etc/profile.d/jdk.sh \
  && echo 'export PATH=\\$PATH:\\$JAVA_HOME/bin' >> /etc/profile.d/jdk.sh \
  && update-alternatives --install /usr/bin/java java /opt/jdk8u242-b08/bin/java 2000 \
  && update-alternatives --install /usr/bin/javac javac /opt/jdk8u242-b08/bin/javac 2000 \
  && wget http://ftp.jaist.ac.jp/pub/eclipse/technology/epp/downloads/release/2019-12/R/eclipse-java-2019-12-R-linux-gtk-x86_64.tar.gz \
  && tar xvfz eclipse-java-2019-12-R-linux-gtk-x86_64.tar.gz \
  && echo '#!/usr/bin/env xdg-open' >> /usr/share/applications/eclipse.desktop \
  && echo '[Desktop Entry]' >> /usr/share/applications/eclipse.desktop \
  && echo 'Version=1.0' >> /usr/share/applications/eclipse.desktop \
  && echo 'Type=Application' >> /usr/share/applications/eclipse.desktop \
  && echo 'Terminal=false' >> /usr/share/applications/eclipse.desktop \
  && echo 'Exec=/opt/eclipse/eclipse' >> /usr/share/applications/eclipse.desktop \
  && echo 'Name=eclipse' >> /usr/share/applications/eclipse.desktop \
  && echo 'Categories=Development;' >> /usr/share/applications/eclipse.desktop \
  && echo 'Icon=/opt/eclipse/icon.xpm' >> /usr/share/applications/eclipse.desktop \
  && apt-get -y remove --purge light-locker \
  && apt-get -y install gnome-screensaver \
  && im-config -n fcitx \
  && apt-get clean \
  && rm -rf /var/cache/apt/archives/* \
  && rm -rf /var/lib/apt/lists/* \
  && groupadd -g 1000 ubuntu \
  && useradd -d /home/ubuntu -m -s /bin/bash -u 1000 -g 1000 ubuntu \
  && echo 'ubuntu:ubuntu' | chpasswd \
  && echo "ubuntu ALL=NOPASSWD: ALL" >> /etc/sudoers \
  && echo 'spawn "tigervncpasswd"' >> /tmp/initpass \
  && echo 'expect "Password:"' >> /tmp/initpass \
  && echo 'send "ubuntu\\r"' >> /tmp/initpass \
  && echo 'expect "Verify:"' >> /tmp/initpass \
  && echo 'send "ubuntu\\r"' >> /tmp/initpass \
  && echo 'expect "Would you like to enter a view-only password (y/n)?"' >> /tmp/initpass \
  && echo 'send "n\\r"' >> /tmp/initpass \
  && echo 'expect eof' >> /tmp/initpass \
  && echo 'exit' >> /tmp/initpass \
  && sudo -u ubuntu -H /bin/bash -c '/usr/bin/expect /tmp/initpass' \
  && mkdir -p /home/ubuntu/.vnc \
  && chown ubuntu:ubuntu /home/ubuntu/.vnc \
  && echo '#!/bin/sh' >> /home/ubuntu/.vnc/xstartup \
  && echo 'export LANG=ja_JP.UTF-8' >> /home/ubuntu/.vnc/xstartup \
  && echo 'export LC_ALL=ja_JP.UTF-8' >> /home/ubuntu/.vnc/xstartup \
  && echo 'export XMODIFIERS=@im=fcitx' >> /home/ubuntu/.vnc/xstartup \
  && echo 'export GTK_IM_MODULE=fcitx' >> /home/ubuntu/.vnc/xstartup \
  && echo 'fcitx -r -d &' >> /home/ubuntu/.vnc/xstartup \
  && echo 'exec startxfce4' >> /home/ubuntu/.vnc/xstartup \
  && chmod +x /home/ubuntu/.vnc/xstartup \
  && mkdir -p /home/ubuntu/data \
  && chown -R ubuntu:ubuntu /home/ubuntu/data

expose 5901
volume ["/home/ubuntu/data"]
cmd /usr/bin/vncserver :1 -localhost no -geometry 1152x864 -alwaysshared -fg

〇コンテナの実行

docker run -it -v `pwd`:/home/ubuntu/data -p 5901:5901 -u ubuntu --privileged ub180vncxfceeclipse201912