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Dockerfile.alpine
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#
# baseimage-gui Dockerfile
#
# https://github.com/jlesage/docker-baseimage-gui
#
ARG BASEIMAGE=unknown
# Pull base image.
FROM ${BASEIMAGE}
# Define software versions.
ARG LIBVNCSERVER_VERSION=9029b86
ARG X11VNC_VERSION=29597a9
ARG STUNNEL_VERSION=5.44
ARG NOVNC_VERSION=fa559b3
ARG BOOTSTRAP_VERSION=3.3.7
ARG FONTAWESOME_VERSION=4.7.0
ARG JQUERY_VERSION=3.2.1
ARG JQUERY_UI_TOUCH_PUNCH_VERSION=4bc0091
# Define software download URLs.
ARG LIBVNCSERVER_URL=https://github.com/jlesage/libvncserver/archive/${LIBVNCSERVER_VERSION}.tar.gz
ARG X11VNC_URL=https://github.com/jlesage/x11vnc/archive/${X11VNC_VERSION}.tar.gz
ARG STUNNEL_URL=https://www.usenix.org.uk/mirrors/stunnel/archive/5.x/stunnel-${STUNNEL_VERSION}.tar.gz
ARG NOVNC_URL=https://github.com/jlesage/novnc/archive/${NOVNC_VERSION}.tar.gz
ARG BOOTSTRAP_URL=https://github.com/twbs/bootstrap/releases/download/v${BOOTSTRAP_VERSION}/bootstrap-${BOOTSTRAP_VERSION}-dist.zip
ARG FONTAWESOME_URL=https://fontawesome.com/v${FONTAWESOME_VERSION}/assets/font-awesome-${FONTAWESOME_VERSION}.zip
ARG JQUERY_URL=https://code.jquery.com/jquery-${JQUERY_VERSION}.min.js
ARG JQUERY_UI_TOUCH_PUNCH_URL=https://raw.github.com/furf/jquery-ui-touch-punch/${JQUERY_UI_TOUCH_PUNCH_VERSION}/jquery.ui.touch-punch.min.js
# Define working directory.
WORKDIR /tmp
# Compile x11vnc.
RUN \
add-pkg --virtual build-dependencies \
curl \
build-base \
autoconf \
automake \
libtool \
libx11-dev \
libxtst-dev \
libjpeg-turbo-dev \
libpng-dev \
libxinerama-dev \
libxdamage-dev \
libxcomposite-dev \
libxcursor-dev \
libxrandr-dev \
libxfixes-dev \
libice-dev \
&& \
# Download sources
mkdir libvncserver x11vnc && \
curl -sS -L ${LIBVNCSERVER_URL} | tar -xz --strip 1 -C libvncserver && \
curl -sS -L ${X11VNC_URL} | tar -xz --strip 1 -C x11vnc && \
# Compile libvncserver
cd libvncserver && \
./autogen.sh --prefix=/tmp/install && \
make install && \
cd .. && \
# Compile x11vnc
cd x11vnc && \
autoreconf -v --install && \
PKG_CONFIG_PATH=/tmp/install/lib/pkgconfig/ ./configure --prefix=/tmp/install --with-websockets && \
make install && \
cd .. && \
# Install libraries
strip install/lib/libvnc*.so && \
cp -P install/lib/libvncserver.so* /usr/lib/ && \
cp -P install/lib/libvncclient.so* /usr/lib/ && \
# Install binaries
strip install/bin/x11vnc && \
cp install/bin/x11vnc /usr/bin/ && \
# Cleanup
del-pkg build-dependencies && \
rm -rf /tmp/* /tmp/.[!.]*
# Compile stunnel
RUN \
add-pkg --virtual build-dependencies \
curl \
build-base \
openssl-dev \
&& \
# Download sources
mkdir stunnel && \
curl -# -L ${STUNNEL_URL} | tar -xz --strip 1 -C stunnel && \
# Compile stunnel
cd stunnel && \
./configure && \
make && \
find . && \
cd .. && \
# Install binaries
strip stunnel/src/stunnel && \
cp -v stunnel/src/stunnel /usr/bin/ && \
# Cleanup
del-pkg build-dependencies && \
rm -rf /tmp/* /tmp/.[!.]*
# Install packages.
RUN \
add-pkg \
# X11 VNC server dependencies
openssl \
libxtst \
libxi \
libjpeg-turbo \
libxcomposite \
# X virtual framebuffer display server
xvfb \
xdpyinfo \
# Openbox window manager
openbox \
xsetroot \
# Font
font-croscore && \
# Remove some unneeded stuff.
rm -rf /var/cache/fontconfig/*
# Install noVNC.
RUN \
NODEJS_NPM=$(apk -q --no-cache search npm | head -n1) && \
add-pkg --virtual build-dependencies curl ${NODEJS_NPM:-nodejs} && \
mkdir noVNC && \
curl -sS -L ${NOVNC_URL} | tar -xz --strip 1 -C noVNC && \
mkdir -p /opt/novnc/include && \
mkdir -p /opt/novnc/js && \
mkdir -p /opt/novnc/css && \
NOVNC_CORE="\
noVNC/include/util.js \
noVNC/include/webutil.js \
noVNC/include/base64.js \
noVNC/include/websock.js \
noVNC/include/des.js \
noVNC/include/keysymdef.js \
noVNC/include/keyboard.js \
noVNC/include/input.js \
noVNC/include/display.js \
noVNC/include/rfb.js \
noVNC/include/keysym.js \
noVNC/include/inflator.js \
" && \
cp -v $NOVNC_CORE /opt/novnc/include/ && \
# Minify noVNC core JS files
env HOME=/tmp npm install --cache /tmp/.npm uglify-js source-map && \
./node_modules/uglify-js/bin/uglifyjs \
--compress --mangle --source-map \
--output /opt/novnc/js/novnc-core.min.js -- $NOVNC_CORE && \
env HOME=/tmp npm uninstall --cache /tmp/.npm uglify-js source-map && \
sed-patch 's|"noVNC/|"/|g' /opt/novnc/js/novnc-core.min.js.map && \
echo -e "\n//# sourceMappingURL=/js/novnc-core.min.js.map" >> /opt/novnc/js/novnc-core.min.js && \
# Install Bootstrap
curl -sS -L -O ${BOOTSTRAP_URL} && \
unzip bootstrap-${BOOTSTRAP_VERSION}-dist.zip && \
cp -v bootstrap-${BOOTSTRAP_VERSION}-dist/css/bootstrap.min.css /opt/novnc/css/ && \
cp -v bootstrap-${BOOTSTRAP_VERSION}-dist/js/bootstrap.min.js /opt/novnc/js/ && \
# Install Font Awesome
curl -sS -L -O ${FONTAWESOME_URL} && \
unzip font-awesome-${FONTAWESOME_VERSION}.zip && \
cp -vr font-awesome-${FONTAWESOME_VERSION}/fonts /opt/novnc/ && \
cp -v font-awesome-${FONTAWESOME_VERSION}/css/font-awesome.min.css /opt/novnc/css/ && \
# Install JQuery
curl -sS -L -o /opt/novnc/js/jquery.min.js ${JQUERY_URL} && \
curl -sS -L -o /opt/novnc/js/jquery.ui.touch-punch.min.js ${JQUERY_UI_TOUCH_PUNCH_URL} && \
# Cleanup
del-pkg build-dependencies && \
rm -rf /tmp/* /tmp/.[!.]*
# Install nginx.
RUN \
add-pkg nginx && \
rm /etc/nginx/nginx.conf \
/etc/init.d/nginx \
/etc/logrotate.d/nginx \
&& \
rm -r /etc/nginx/conf.d \
/etc/nginx/modules \
/var/lib/nginx/* \
/var/log/nginx \
/var/www \
&& \
ln -s /config/log/nginx /var/lib/nginx/logs && \
if [ -d /var/tmp/nginx ]; then \
# alpine 3.6
rm -r /var/tmp/nginx && \
ln -s /tmp/nginx /var/tmp/nginx; \
else \
# alpine 3.5
ln -s /tmp/nginx /var/lib/nginx/tmp; \
fi && \
# Adjust user under which nginx will run.
userdel nginx && \
groupdel www-data && \
useradd --system \
--home-dir /dev/null \
--no-create-home \
--shell /sbin/nologin \
nginx && \
# Users/groups changed, save them.
cp /etc/passwd /defaults/ && \
cp /etc/group /defaults && \
# Generate default DH params.
echo "Generating default DH parameters (2048 bits)..." && \
env HOME=/tmp openssl dhparam \
-out "/defaults/dhparam.pem" \
2048 \
> /dev/null 2>&1 && \
rm -rf /tmp/* /tmp/.[!.]*
# Add files.
COPY rootfs/ /
# Set version to CSS and JavaScript file URLs.
RUN sed-patch "s/UNIQUE_VERSION/$(date | md5sum | cut -c1-10)/g" /opt/novnc/index.vnc
# Minify noVNC UI JS files
RUN \
NODEJS_NPM=$(apk -q --no-cache search nodejs-npm) && \
add-pkg --virtual build-dependencies ${NODEJS_NPM:-nodejs} && \
NOVNC_UI="\
/opt/novnc/app/modulemgr.js \
/opt/novnc/app/ui.js \
/opt/novnc/app/modules/hideablenavbar.js \
/opt/novnc/app/modules/dynamicappname.js \
/opt/novnc/app/modules/password.js \
/opt/novnc/app/modules/clipboard.js \
/opt/novnc/app/modules/autoscaling.js \
/opt/novnc/app/modules/clipping.js \
/opt/novnc/app/modules/viewportdrag.js \
/opt/novnc/app/modules/fullscreen.js \
/opt/novnc/app/modules/virtualkeyboard.js \
/opt/novnc/app/modules/rightclick.js \
" && \
env HOME=/tmp npm install --cache /tmp/.npm uglify-js && \
./node_modules/uglify-js/bin/uglifyjs \
--compress --mangle --source-map \
--output /opt/novnc/js/novnc-ui.min.js -- $NOVNC_UI && \
env HOME=/tmp npm uninstall --cache /tmp/.npm uglify-js && \
echo -e "\n//# sourceMappingURL=/js/novnc-ui.min.js.map" >> /opt/novnc/js/novnc-ui.min.js && \
sed-patch 's/\/opt\/novnc//g' /opt/novnc/js/novnc-ui.min.js.map && \
# Cleanup
del-pkg build-dependencies && \
rm -rf /tmp/* /tmp/.[!.]*
# Generate and install favicons.
RUN \
APP_ICON_URL=https://github.com/jlesage/docker-templates/raw/master/jlesage/images/generic-app-icon.png && \
install_app_icon.sh "$APP_ICON_URL"
# Set environment variables.
ENV DISPLAY=:0 \
DISPLAY_WIDTH=1280 \
DISPLAY_HEIGHT=768
# Expose ports.
# - 5800: VNC web interface
# - 5900: VNC
EXPOSE 5800 5900
# Metadata.
ARG IMAGE_VERSION=unknown
LABEL \
org.label-schema.name="baseimage-gui" \
org.label-schema.description="A minimal docker baseimage to ease creation of X graphical application containers" \
org.label-schema.version="${IMAGE_VERSION}" \
org.label-schema.vcs-url="https://github.com/jlesage/docker-baseimage-gui" \
org.label-schema.schema-version="1.0"