init

Dockerfile

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+FROM debian:stretch
+
+RUN echo 'deb http://deb.debian.org/debian stretch-backports main' > /etc/apt/sources.list.d/backports.list
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get -qq update \
+  &&apt-get install -y gnupg2 \
+    x11vnc \
+    xvfb \
+    fluxbox \
+    wget \
+    curl \
+    wmctrl \
+    dbus-x11 \
+    gconf-service \
+    libasound2 \
+    libatk1.0-0 \
+    libc6 \
+    libcairo2 \
+    libcups2 \
+    libdbus-1-3 \
+    libexpat1 \
+    libfontconfig1 \
+    libgcc1 \
+    libgconf-2-4 \
+    libgdk-pixbuf2.0-0 \
+    libglib2.0-0 \
+    libgtk-3-0 \
+    libnspr4 \
+    libpango-1.0-0 \
+    libpangocairo-1.0-0 \
+    libstdc++6 \
+    libx11-6 \
+    libx11-xcb1 \
+    libxcb1 \
+    libxcomposite1 \
+    libxcursor1 \
+    libxdamage1 \
+    libxext6 \
+    libxfixes3 \
+    libxi6 \
+    libxrandr2 \
+    libxrender1 \
+    libxss1 \
+    libxtst6 \
+    fonts-ipafont-gothic \
+    fonts-wqy-zenhei \
+    fonts-thai-tlwg \
+    fonts-kacst \
+    ttf-freefont \
+    ca-certificates \
+    fonts-liberation \
+    libappindicator1 \
+    libnss3 \
+    lsb-release \
+    xdg-utils \
+    pulseaudio \
+    ffmpeg \
+    nano \
+    alsa-utils \
+    jackd2 \
+    pavucontrol
+
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+    && echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list
+
+RUN apt-get -qq update \ 
+  && apt-get -y install google-chrome-stable \
+  && rm -rf /var/lib/apt/lists/* \
+  && apt-get purge --auto-remove -y curl
+
+ENV LANG="C.UTF-8"
+
+RUN useradd -m -G pulse-access chrome \
+  && usermod -s /bin/bash chrome \
+  && mkdir -p /home/chrome/.fluxbox \
+  && echo ' \n\
+    #session.screen0.toolbar.visible:        false\n\
+    #session.screen0.fullMaximization:       true\n\
+    #session.screen0.maxDisableResize:       true\n\
+    #session.screen0.maxDisableMove: true\n\
+    #session.screen0.defaultDeco:    NONE\n\
+  ' >> /home/chrome/.fluxbox/init \
+  && chown -R chrome:chrome /home/chrome/.fluxbox
+
+RUN rm /etc/machine-id && ln -s /var/lib/dbus/machine-id /etc/machine-id
+RUN echo "DBUS_SESSION_BUS_ADDRESS=/dev/null" >> /etc/environment
+ENV DBUS_SESSION_BUS_ADDRESS=/dev/null
+
+RUN mkdir -p /var/run/dbus && dbus-daemon --config-file=/usr/share/dbus-1/system.conf --print-address \
+    && sed -i 's/load-module module-console-kit/#load-module module-console-kit/g' /etc/pulse/default.pa
+
+COPY bootstrap.sh /
+COPY stream.sh /
+
+EXPOSE 5900
+
+CMD '/bootstrap.sh'

bootstrap.sh

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+#!/bin/bash
+
+# Based on: http://www.richud.com/wiki/Ubuntu_Fluxbox_GUI_with_x11vnc_and_Xvfb
+
+readonly G_LOG_I='[INFO]'
+readonly G_LOG_W='[WARN]'
+readonly G_LOG_E='[ERROR]'
+
+main() {
+    launch_xvfb
+    launch_window_manager
+    run_vnc_server
+}
+
+launch_xvfb() {
+    # Set defaults if the user did not specify envs.
+    export DISPLAY=${XVFB_DISPLAY:-:0}
+    local screen=${XVFB_SCREEN:-0}
+    local resolution=${XVFB_RESOLUTION:-1280x720x24}
+    local timeout=${XVFB_TIMEOUT:-5}
+
+    # Start and wait for either Xvfb to be fully up or we hit the timeout.
+    Xvfb ${DISPLAY} -screen ${screen} ${resolution} &
+    local loopCount=0
+    until xdpyinfo -display ${DISPLAY} > /dev/null 2>&1
+    do
+        loopCount=$((loopCount+1))
+        sleep 1
+        if [ ${loopCount} -gt ${timeout} ]
+        then
+            echo "${G_LOG_E} xvfb failed to start."
+            exit 1
+        fi
+    done
+}
+
+launch_window_manager() {
+    local timeout=${XVFB_TIMEOUT:-5}
+
+    # Start and wait for either fluxbox to be fully up or we hit the timeout.
+    fluxbox &
+    local loopCount=0
+    until wmctrl -m > /dev/null 2>&1
+    do
+        loopCount=$((loopCount+1))
+        sleep 1
+        if [ ${loopCount} -gt ${timeout} ]
+        then
+            echo "${G_LOG_E} fluxbox failed to start."
+            exit 1
+        fi
+    done
+}
+
+run_vnc_server() {
+    local passwordArgument='-nopw'
+
+    if [ -n "${VNC_SERVER_PASSWORD}" ]
+    then
+        local passwordFilePath="${HOME}/x11vnc.pass"
+        if ! x11vnc -storepasswd "${VNC_SERVER_PASSWORD}" "${passwordFilePath}"
+        then
+            echo "${G_LOG_E} Failed to store x11vnc password."
+            exit 1
+        fi
+        passwordArgument=-"-rfbauth ${passwordFilePath}"
+        echo "${G_LOG_I} The VNC server will ask for a password."
+    else
+        echo "${G_LOG_W} The VNC server will NOT ask for a password."
+    fi
+
+    x11vnc -display ${DISPLAY} -forever ${passwordArgument} &
+    wait $!
+}
+
+control_c() {
+    echo ""
+    exit
+}
+
+trap control_c SIGINT SIGTERM SIGHUP
+
+main
+
+exit

build.sh

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+docker build . -t tiktok-streamer

stream.sh

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+#!/bin/bash
+
+: ${INRES:="1280x720"}
+: ${FPS:="30"}
+: ${GOP:="30"}
+
+: ${OUTRES:="1280x720"}
+: ${QUALITY:="ultrafast"}
+: ${CBR:="2000k"}
+
+: ${A_FREQ:="44100"}
+: ${A_BITS:="128k"}
+
+: ${SERVER:="rtmp://a.rtmp.youtube.com/live2/"}
+
+ffmpeg \
+-f alsa -ar "$A_FREQ" -ac 2 -i default \
+-f x11grab -video_size "$INRES" -r "$FPS" -i :0 \
+-c:v libx264 -preset "$QUALITY" -tune film -b:v "$CBR" -b:a "$A_BITS" -pix_fmt yuv420p -g "$GOP" \
+-map 0:a -map 1:v \
+-f flv "$SERVER$SERVER_KEY"