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FROM debian:stretch
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RUN echo 'deb http://deb.debian.org/debian stretch-backports main' > /etc/apt/sources.list.d/backports.list
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get -qq update \
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&&apt-get install -y gnupg2 \
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x11vnc \
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xvfb \
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fluxbox \
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wget \
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curl \
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wmctrl \
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dbus-x11 \
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gconf-service \
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libasound2 \
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libatk1.0-0 \
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libc6 \
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libcairo2 \
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libcups2 \
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libdbus-1-3 \
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libexpat1 \
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libfontconfig1 \
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libgcc1 \
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libgconf-2-4 \
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libgdk-pixbuf2.0-0 \
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libglib2.0-0 \
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libgtk-3-0 \
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libnspr4 \
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libpango-1.0-0 \
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libpangocairo-1.0-0 \
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libstdc++6 \
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libx11-6 \
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libx11-xcb1 \
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libxcb1 \
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libxcomposite1 \
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libxcursor1 \
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libxdamage1 \
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libxext6 \
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libxfixes3 \
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libxi6 \
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libxrandr2 \
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libxrender1 \
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libxss1 \
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libxtst6 \
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fonts-ipafont-gothic \
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fonts-wqy-zenhei \
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fonts-thai-tlwg \
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fonts-kacst \
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ttf-freefont \
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ca-certificates \
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fonts-liberation \
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libappindicator1 \
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libnss3 \
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lsb-release \
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xdg-utils \
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pulseaudio \
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ffmpeg \
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nano \
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alsa-utils \
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jackd2 \
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pavucontrol
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RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
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&& echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list
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RUN apt-get -qq update \
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&& apt-get -y install google-chrome-stable \
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&& rm -rf /var/lib/apt/lists/* \
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&& apt-get purge --auto-remove -y curl
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ENV LANG="C.UTF-8"
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RUN useradd -m -G pulse-access chrome \
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&& usermod -s /bin/bash chrome \
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&& mkdir -p /home/chrome/.fluxbox \
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&& echo ' \n\
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#session.screen0.toolbar.visible: false\n\
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#session.screen0.fullMaximization: true\n\
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#session.screen0.maxDisableResize: true\n\
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#session.screen0.maxDisableMove: true\n\
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#session.screen0.defaultDeco: NONE\n\
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' >> /home/chrome/.fluxbox/init \
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&& chown -R chrome:chrome /home/chrome/.fluxbox
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RUN rm /etc/machine-id && ln -s /var/lib/dbus/machine-id /etc/machine-id
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RUN echo "DBUS_SESSION_BUS_ADDRESS=/dev/null" >> /etc/environment
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ENV DBUS_SESSION_BUS_ADDRESS=/dev/null
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RUN mkdir -p /var/run/dbus && dbus-daemon --config-file=/usr/share/dbus-1/system.conf --print-address \
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&& sed -i 's/load-module module-console-kit/#load-module module-console-kit/g' /etc/pulse/default.pa
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COPY bootstrap.sh /
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COPY stream.sh /
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EXPOSE 5900
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CMD '/bootstrap.sh'
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Executable
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#!/bin/bash
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# Based on: http://www.richud.com/wiki/Ubuntu_Fluxbox_GUI_with_x11vnc_and_Xvfb
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readonly G_LOG_I='[INFO]'
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readonly G_LOG_W='[WARN]'
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readonly G_LOG_E='[ERROR]'
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main() {
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launch_xvfb
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launch_window_manager
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run_vnc_server
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}
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launch_xvfb() {
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# Set defaults if the user did not specify envs.
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export DISPLAY=${XVFB_DISPLAY:-:0}
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local screen=${XVFB_SCREEN:-0}
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local resolution=${XVFB_RESOLUTION:-1280x720x24}
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local timeout=${XVFB_TIMEOUT:-5}
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# Start and wait for either Xvfb to be fully up or we hit the timeout.
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Xvfb ${DISPLAY} -screen ${screen} ${resolution} &
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local loopCount=0
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until xdpyinfo -display ${DISPLAY} > /dev/null 2>&1
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do
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loopCount=$((loopCount+1))
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sleep 1
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if [ ${loopCount} -gt ${timeout} ]
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then
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echo "${G_LOG_E} xvfb failed to start."
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exit 1
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fi
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done
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}
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launch_window_manager() {
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local timeout=${XVFB_TIMEOUT:-5}
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# Start and wait for either fluxbox to be fully up or we hit the timeout.
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fluxbox &
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local loopCount=0
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until wmctrl -m > /dev/null 2>&1
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do
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loopCount=$((loopCount+1))
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sleep 1
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if [ ${loopCount} -gt ${timeout} ]
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then
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echo "${G_LOG_E} fluxbox failed to start."
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exit 1
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fi
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done
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}
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run_vnc_server() {
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local passwordArgument='-nopw'
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if [ -n "${VNC_SERVER_PASSWORD}" ]
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then
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local passwordFilePath="${HOME}/x11vnc.pass"
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if ! x11vnc -storepasswd "${VNC_SERVER_PASSWORD}" "${passwordFilePath}"
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then
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echo "${G_LOG_E} Failed to store x11vnc password."
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exit 1
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fi
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passwordArgument=-"-rfbauth ${passwordFilePath}"
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echo "${G_LOG_I} The VNC server will ask for a password."
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else
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echo "${G_LOG_W} The VNC server will NOT ask for a password."
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fi
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x11vnc -display ${DISPLAY} -forever ${passwordArgument} &
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wait $!
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}
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control_c() {
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echo ""
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exit
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}
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trap control_c SIGINT SIGTERM SIGHUP
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main
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exit
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@@ -0,0 +1,21 @@
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#!/bin/bash
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: ${INRES:="1280x720"}
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: ${FPS:="30"}
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: ${GOP:="30"}
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: ${OUTRES:="1280x720"}
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: ${QUALITY:="ultrafast"}
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: ${CBR:="2000k"}
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: ${A_FREQ:="44100"}
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: ${A_BITS:="128k"}
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: ${SERVER:="rtmp://a.rtmp.youtube.com/live2/"}
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ffmpeg \
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-f alsa -ar "$A_FREQ" -ac 2 -i default \
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-f x11grab -video_size "$INRES" -r "$FPS" -i :0 \
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-c:v libx264 -preset "$QUALITY" -tune film -b:v "$CBR" -b:a "$A_BITS" -pix_fmt yuv420p -g "$GOP" \
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-map 0:a -map 1:v \
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-f flv "$SERVER$SERVER_KEY"
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