neko/Dockerfile

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#
# Stage 0: Build xorg dependencies.
#
FROM debian:bookworm-slim as xorg-deps
ENV DEBIAN_FRONTEND=noninteractive
RUN set -eux; \
apt-get update; \
apt-get install -y \
git gcc pkgconf autoconf automake libtool make xorg-dev xutils-dev \
&& rm -rf /var/lib/apt/lists/*;
WORKDIR /xorg
COPY xorg/ /xorg/
# build xserver-xorg-video-dummy 0.3.8-2 with RandR support.
RUN set -eux; \
cd xf86-video-dummy; \
git clone --depth 1 --branch xserver-xorg-video-dummy-1_0.3.8-2 https://salsa.debian.org/xorg-team/driver/xserver-xorg-video-dummy; \
cd xserver-xorg-video-dummy; \
patch -p1 < ../xdummy-randr.patch; \
./autogen.sh; \
make -j$(nproc); \
make install;
# build custom input driver
RUN set -eux; \
cd xf86-input-neko; \
./autogen.sh --prefix=/usr; \
./configure; \
make -j$(nproc); \
make install;
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#
# Stage 1: Build.
#
FROM golang:1.21-bookworm as build
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WORKDIR /src
#
# install dependencies
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ENV DEBIAN_FRONTEND=noninteractive
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RUN set -eux; \
apt-get update; \
apt-get install -y --no-install-recommends \
libx11-dev libxrandr-dev libxtst-dev libgtk-3-dev libxcvt-dev \
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libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev; \
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#
# clean up
apt-get clean -y; \
rm -rf /var/lib/apt/lists/* /var/cache/apt/*
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ARG GIT_COMMIT
ARG GIT_BRANCH
ARG GIT_TAG
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#
# build server
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COPY . .
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RUN ./build
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#
# Stage 2: Runtime.
#
FROM debian:bookworm-slim as runtime
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#
# set custom user
ARG USERNAME=neko
ARG USER_UID=1000
ARG USER_GID=$USER_UID
#
# install dependencies
ENV DEBIAN_FRONTEND=noninteractive
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RUN set -eux; \
apt-get update; \
apt-get install -y --no-install-recommends \
wget ca-certificates supervisor \
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pulseaudio dbus-x11 xserver-xorg-video-dummy \
libcairo2 libxcb1 libxrandr2 libxv1 libopus0 libvpx7 libxcvt0 \
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#
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# needed for profile upload preStop hook
zip curl \
#
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# file chooser handler, clipboard, drop
xdotool xclip libgtk-3-0 \
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#
# gst
gstreamer1.0-plugins-base gstreamer1.0-plugins-good \
gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly \
gstreamer1.0-pulseaudio; \
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#
# create a non-root user
groupadd --gid $USER_GID $USERNAME; \
useradd --uid $USER_UID --gid $USERNAME --shell /bin/bash --create-home $USERNAME; \
adduser $USERNAME audio; \
adduser $USERNAME video; \
adduser $USERNAME pulse; \
#
# workaround for an X11 problem: http://blog.tigerteufel.de/?p=476
mkdir /tmp/.X11-unix; \
chmod 1777 /tmp/.X11-unix; \
chown $USERNAME /tmp/.X11-unix/; \
#
# make directories for neko
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mkdir -p /etc/neko /var/www; \
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chown -R $USERNAME:$USERNAME /home/$USERNAME; \
#
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# install fonts
apt-get install -y --no-install-recommends \
# Emojis
fonts-noto-color-emoji \
# Chinese fonts
fonts-arphic-ukai fonts-arphic-uming \
# Japanese fonts
fonts-ipafont-mincho fonts-ipafont-gothic \
# Korean fonts
fonts-unfonts-core \
# Indian fonts
fonts-indic; \
#
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# clean up
apt-get clean -y; \
rm -rf /var/lib/apt/lists/* /var/cache/apt/*
# copy dependencies from previous stage
COPY --from=xorg-deps /usr/local/lib/xorg/modules/drivers/dummy_drv.so /usr/lib/xorg/modules/drivers/dummy_drv.so
COPY --from=xorg-deps /usr/local/lib/xorg/modules/input/neko_drv.so /usr/lib/xorg/modules/input/neko_drv.so
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#
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# copy runtime configs
COPY --chown=neko:neko runtime/.Xresources /home/$USERNAME/.Xresources
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COPY runtime/dbus /usr/bin/dbus
COPY runtime/default.pa /etc/pulse/default.pa
COPY runtime/supervisord.conf /etc/neko/supervisord.conf
COPY runtime/xorg.conf /etc/neko/xorg.conf
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#
# copy runtime folders
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COPY --chown=neko:neko runtime/icon-theme /home/$USERNAME/.icons/default
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COPY runtime/fontconfig/* /etc/fonts/conf.d/
COPY runtime/fonts /usr/local/share/fonts
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#
# set default envs
ENV USER=$USERNAME
ENV DISPLAY=:99.0
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ENV PULSE_SERVER=unix:/tmp/pulseaudio.socket
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ENV NEKO_SERVER_BIND=:8080
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ENV NEKO_PLUGINS_ENABLED=true
ENV NEKO_PLUGINS_DIR=/etc/neko/plugins/
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#
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# copy plugins from previous stage
COPY --from=build /src/bin/plugins/ $NEKO_PLUGINS_DIR
#
# copy executable from previous stage
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COPY --from=build /src/bin/neko /usr/bin/neko
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#
# add healthcheck
HEALTHCHECK --interval=10s --timeout=5s --retries=8 \
CMD wget -O - http://localhost:${NEKO_SERVER_BIND#*:}/health || exit 1
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#
# run neko
CMD ["/usr/bin/supervisord", "-s", "-c", "/etc/neko/supervisord.conf"]