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feat: add Ubuntu desktop environment (test)
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‎ubuntu/Dockerfile.18.04.xfce.amd64

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FROM ubuntu:18.04 as system
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RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list;
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# built-in packages
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ENV DEBIAN_FRONTEND noninteractive
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RUN apt update \
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&& apt install -y --no-install-recommends software-properties-common curl apache2-utils \
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&& apt update \
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&& apt install -y --no-install-recommends --allow-unauthenticated \
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supervisor nginx sudo net-tools zenity xz-utils \
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dbus-x11 x11-utils alsa-utils \
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mesa-utils libgl1-mesa-dri \
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&& apt autoclean -y \
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&& apt autoremove -y \
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&& rm -rf /var/lib/apt/lists/*
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# install debs error if combine together
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RUN apt update \
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&& apt install -y --no-install-recommends --allow-unauthenticated \
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xvfb x11vnc \
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vim-tiny firefox xfce4-terminal ttf-ubuntu-font-family \
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&& apt autoclean -y \
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&& apt autoremove -y \
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&& rm -rf /var/lib/apt/lists/*
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RUN apt update \
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&& apt install -y --no-install-recommends --allow-unauthenticated \
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xubuntu-desktop \
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&& apt autoclean -y \
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&& apt autoremove -y \
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&& rm -rf /var/lib/apt/lists/*
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# python library (for backend)
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COPY rootfs/usr/local/lib/web/backend/requirements.txt /tmp/
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RUN apt-get update \
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&& dpkg-query -W -f='${Package}\n' > /tmp/a.txt \
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&& apt-get install -y python-pip python-dev build-essential \
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&& pip install setuptools wheel && pip install -r /tmp/requirements.txt \
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&& dpkg-query -W -f='${Package}\n' > /tmp/b.txt \
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&& apt-get remove -y `diff --changed-group-format='%>' --unchanged-group-format='' /tmp/a.txt /tmp/b.txt | xargs` \
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&& apt-get autoclean -y \
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&& apt-get autoremove -y \
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&& rm -rf /var/lib/apt/lists/* \
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&& rm -rf /var/cache/apt/* /tmp/a.txt /tmp/b.txt
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######## Frontend builder
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FROM ubuntu:18.04 as builder
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RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list;
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends curl ca-certificates gnupg patch
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# nodejs
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RUN curl -sL https://deb.nodesource.com/setup_12.x | bash - \
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&& apt-get install -y nodejs
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# yarn
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RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
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&& echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
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&& apt-get update \
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&& apt-get install -y yarn
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# build frontend
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COPY web /src/web
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RUN cd /src/web \
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&& yarn \
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&& yarn build
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####### Build final image with frontend
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FROM system
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LABEL maintainer="[email protected]"
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COPY --from=builder /src/web/dist/ /usr/local/lib/web/frontend/
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COPY rootfs /
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RUN ln -sf /usr/local/lib/web/frontend/static/websockify /usr/local/lib/web/frontend/static/novnc/utils/websockify && \
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chmod +x /usr/local/lib/web/frontend/static/websockify/run
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RUN ln -sf /usr/local/lib/web/frontend/static/vnc.html /usr/local/lib/web/frontend/static/index.html
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RUN ln -sf /usr/local/lib/web/frontend/static/novnc/vnc.html /usr/local/lib/web/frontend/static/novnc/index.html
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EXPOSE 80
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WORKDIR /home/work
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ENV HOME=/home/work \
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SHELL=/bin/bash
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HEALTHCHECK --interval=30s --timeout=5s CMD curl --fail http://127.0.0.1:6079/api/health
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#RUN /setup.sh
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#ENTRYPOINT ["/startup.sh"]
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# Backend.AI specifics
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LABEL ai.backend.kernelspec="1" \
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ai.backend.envs.corecount="OPENBLAS_NUM_THREADS,OMP_NUM_THREADS,NPROC" \
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ai.backend.features="batch query uid-match user-input" \
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ai.backend.resource.min.cpu="1" \
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ai.backend.resource.min.mem="1g" \
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ai.backend.base-distro="ubuntu18.04" \
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ai.backend.runtime-type="python" \
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ai.backend.runtime-path="/usr/bin/python3" \
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ai.backend.service-ports="xfce:http:80,vnc:http:5900"
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COPY ./service-defs /etc/backend.ai/service-defs
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COPY policy.yml /etc/backend.ai/jail/policy.yml
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COPY bootstrap.sh /opt/container/bootstrap.sh
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WORKDIR /home/work

‎ubuntu/bootstrap.sh

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#!/bin/bash
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if [ -n "$VNC_PASSWORD" ]; then
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echo -n "$VNC_PASSWORD" > /.password1
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x11vnc -storepasswd $(cat /.password1) /.password2
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chmod 400 /.password*
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sed -i 's/^command=x11vnc.*/& -rfbauth \/.password2/' /etc/supervisor/conf.d/supervisord.conf
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export VNC_PASSWORD=
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fi
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if [ -n "$X11VNC_ARGS" ]; then
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sed -i "s/^command=x11vnc.*/& ${X11VNC_ARGS}/" /etc/supervisor/conf.d/supervisord.conf
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fi
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if [ -n "$OPENBOX_ARGS" ]; then
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sed -i "s#^command=/usr/bin/openbox.*#& ${OPENBOX_ARGS}#" /etc/supervisor/conf.d/supervisord.conf
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fi
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if [ -n "$RESOLUTION" ]; then
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sed -i "s/1024x768/$RESOLUTION/" /usr/local/bin/xvfb.sh
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fi
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#USER=${USER:-root}
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USER=work
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HOME=/home/work
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cp -r /root/{.gtkrc-2.0,.asoundrc} ${HOME}
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#[ -d "/dev/snd" ] && chgrp -R adm /dev/snd
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sed -i -e "s|%USER%|$USER|" -e "s|%HOME%|$HOME|" /etc/supervisor/conf.d/supervisord.conf
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# home folder
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if [ ! -x "$HOME/.config/pcmanfm/LXDE/" ]; then
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mkdir -p $HOME/.config/pcmanfm/LXDE/
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ln -sf /usr/local/share/doro-lxde-wallpapers/desktop-items-0.conf $HOME/.config/pcmanfm/LXDE/
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chown -R $USER:$USER $HOME
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fi
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# nginx workers
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sed -i 's|worker_processes .*|worker_processes 1;|' /etc/nginx/nginx.conf
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echo ">> Starting background VNC server"
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printf "backendai\nbackendai\n\n" | /opt/kernel/su-exec $LOCAL_USER_ID:$LOCAL_GROUP_ID vncpasswd >/dev/null 2>&1
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mkdir -p /home/work/.vnc
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cat >/home/work/.vnc/xstartup <<EOF
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#!/bin/sh
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xhost +
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# SESSION_MANAGER is inherited from the environment and some window
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# managers require that it be cleared.
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# http://osdir.com/ml/gnome.ximian.snapshots/2002-09/msg00034.html
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# For example, Xfce4 version 4.6.1 and Deb5-64 require the unsetenv.
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# Goolging indicates that others also require the unsetenv.
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unsetenv SESSION_MANAGER
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# Startup scripts, e.g. /etc/xdg/xfce4/xinitrc require
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# http://en.wikipedia.org/wiki/D-Bus to run correctly.
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unsetenv DBUS_SESSION_BUS_ADDRESS
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# Set VNCSESSION to tell /etc/xdg/xfce4/xinitrc to not run xscreensaver
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# http://vstone.eu/2009/04/disabling-xscreensaver-when-using-xfce-vnc/
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setenv VNCSESSION yes
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startxfce4 &
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# Make sure that copy / paste are correctly forwarded to the VNC viewer
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vncconfig -nowin &
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EOF
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chmod +x /home/work/.vnc/xstartup
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cat >/home/work/.xscreensaver <<EOF
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mode: off
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EOF
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chown -R $LOCAL_USER_ID:$LOCAL_GROUP_ID /home/work
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#/opt/kernel/su-exec $LOCAL_USER_ID:$LOCAL_GROUP_ID /usr/bin/vncserver -geometry 1600x1200
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#echo ">> VNC server is started."
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supervisord -c /etc/supervisor/supervisord.conf

‎ubuntu/rootfs/etc/nginx/sites-enabled/default

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server {
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listen 80 default_server;
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root /usr/local/lib/web/frontend;
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index index.html index.htm;
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location ~ /api/ {
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try_files $uri @api;
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}
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location ~ /resize$ {
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try_files $uri @api;
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}
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location ~ /websockify$ {
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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proxy_buffering off;
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proxy_connect_timeout 7d;
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proxy_send_timeout 7d;
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proxy_read_timeout 7d;
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proxy_pass http://127.0.0.1:6081;
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}
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location @api {
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $remote_addr;
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proxy_set_header Host $host;
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proxy_pass http://127.0.0.1:6079;
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max_ranges 0;
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}
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#location / {
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# proxy_pass http://127.0.0.1:6081;
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#}
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}
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‎ubuntu/rootfs/etc/supervisor/conf.d/supervisord.conf

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[supervisord]
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redirect_stderr=true
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stopsignal=QUIT
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autorestart=true
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directory=/root
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[program:nginx]
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priority=10
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command=nginx -c /etc/nginx/nginx.conf -g 'daemon off;'
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[program:web]
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priority=10
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directory=/usr/local/lib/web/backend
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command=/usr/local/lib/web/backend/run.py
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#stdout_logfile=/dev/fd/1
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#stdout_logfile_maxbytes=0
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#stderr_logfile=/dev/fd/1
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#stderr_logfile_maxbytes=0
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[group:x]
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programs=xvfb,lxpanel,x11vnc,novnc
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[program:lxpanel]
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priority=15
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directory=%HOME%
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command=/usr/bin/startxfce4
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user=%USER%
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environment=DISPLAY=":1",HOME="%HOME%",USER="%USER%"
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[program:xvfb]
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priority=10
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command=/usr/local/bin/xvfb.sh
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stopsignal=KILL
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[program:x11vnc]
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priority=20
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command=x11vnc -display :1 -xkb -forever -shared -repeat -ncache 10
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[program:novnc]
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priority=25
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directory=/usr/local/lib/web/frontend/static/novnc
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command=bash /usr/local/lib/web/frontend/static/novnc/utils/launch.sh --listen 6081
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stopasgroup=true

‎ubuntu/rootfs/root/.asoundrc

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pcm.loop {
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type plug
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slave.pcm "hw:Loopback,2,0"
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}

‎ubuntu/rootfs/root/.gtkrc-2.0

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# DO NOT EDIT! This file will be overwritten by LXAppearance.
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# Any customization should be done in ~/.gtkrc-2.0.mine instead.
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include "/usr/share/themes/Arc/gtk-2.0/gtkrc"
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gtk-theme-name="Arc"
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gtk-icon-theme-name="nuoveXT2"
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gtk-font-name="Sans 10"
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gtk-cursor-theme-name="DMZ-White"
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gtk-cursor-theme-size=18
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gtk-toolbar-style=GTK_TOOLBAR_BOTH_HORIZ
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gtk-toolbar-icon-size=GTK_ICON_SIZE_LARGE_TOOLBAR
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gtk-button-images=1
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gtk-menu-images=1
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gtk-enable-event-sounds=1
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gtk-enable-input-feedback-sounds=1
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gtk-xft-antialias=1
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gtk-xft-hinting=1
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gtk-xft-hintstyle="hintslight"
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gtk-xft-rgba="rgb"
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include "/root/.gtkrc-2.0.mine"

‎ubuntu/rootfs/usr/local/bin/chromium-browser-sound.sh

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#!/bin/sh
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if [ -z "$ALSADEV" ]; then
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zenity --error --text "To support audio, please read README.md and run container with --device /dev/snd -e ALSADEV=..."
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exit 1
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fi
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exec /usr/bin/chromium-browser --no-sandbox --alsa-output-device="$ALSADEV" "$@"

‎ubuntu/rootfs/usr/local/bin/xvfb.sh

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#!/bin/sh
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exec /usr/bin/Xvfb :1 -screen 0 1024x768x24

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