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dockerfile-kasm-core-alpine
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#### Build Stage ####
ARG BASE_IMAGE="alpine:3.17"
FROM $BASE_IMAGE AS install_tools
ARG DISTRO=alpine
### Install common tools
RUN apk add --no-cache bash
COPY ./src/ubuntu/install/tools $INST_SCRIPTS/tools/
RUN bash "$INST_SCRIPTS/tools/install_tools.sh" && rm -rf "$INST_SCRIPTS/tools/"
ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
### Layer from squid changes
FROM install_tools AS base_layer
### Environment config
ARG BG_IMG=bg_alpine.png
ARG EXTRA_SH=noop.sh
ARG DISTRO=alpine
ARG LANG='en_US.UTF-8'
ARG LANGUAGE='en_US:en'
ARG LC_ALL='en_US.UTF-8'
ARG TZ='Etc/UTC'
ENV DISTRO=$DISTRO \
HOME=/home/kasm-default-profile \
INST_SCRIPTS=/dockerstartup/install \
KASM_VNC_PATH=/usr/share/kasmvnc \
LANG=$LANG \
LANGUAGE=$LANGUAGE \
LC_ALL=$LC_ALL \
TZ=$TZ \
STARTUPDIR=/dockerstartup
### Home setup
WORKDIR $HOME
RUN mkdir -p $HOME/Desktop
### Setup package rules
COPY ./src/ubuntu/install/package_rules $INST_SCRIPTS/package_rules/
RUN bash $INST_SCRIPTS/package_rules/package_rules.sh && rm -rf $INST_SCRIPTS/package_rules/
### Install custom fonts
COPY ./src/ubuntu/install/fonts $INST_SCRIPTS/fonts/
RUN bash $INST_SCRIPTS/fonts/install_custom_fonts.sh && rm -rf $INST_SCRIPTS/fonts/
### Install xfce UI
COPY ./src/ubuntu/install/xfce $INST_SCRIPTS/xfce/
RUN bash $INST_SCRIPTS/xfce/install_xfce_ui.sh && rm -rf $INST_SCRIPTS/xfce/
COPY ./src/$DISTRO/xfce/.config/ $HOME/.config/
COPY /src/common/resources/images/bg_kasm.png /usr/share/backgrounds/bg_kasm.png
COPY /src/common/resources/images/$BG_IMG /usr/share/backgrounds/bg_default.png
### Install kasm_vnc dependencies and binaries
COPY ./src/ubuntu/install/kasm_vnc $INST_SCRIPTS/kasm_vnc/
RUN bash $INST_SCRIPTS/kasm_vnc/install_kasm_vnc.sh && rm -rf $INST_SCRIPTS/kasm_vnc/
COPY ./src/common/install/kasm_vnc/kasmvnc.yaml /etc/kasmvnc/
### Install Kasm Profile Sync
COPY ./src/ubuntu/install/profile_sync $INST_SCRIPTS/profile_sync/
RUN bash $INST_SCRIPTS/profile_sync/install_profile_sync.sh
### Install Kasm Upload Server
COPY ./src/ubuntu/install/kasm_upload_server $INST_SCRIPTS/kasm_upload_server/
RUN bash $INST_SCRIPTS/kasm_upload_server/install_kasm_upload_server.sh && rm -rf $INST_SCRIPTS/kasm_upload_server/
### Install custom cursors
COPY ./src/ubuntu/install/cursors $INST_SCRIPTS/cursors/
RUN bash $INST_SCRIPTS/cursors/install_cursors.sh && rm -rf $INST_SCRIPTS/cursors/
### Install Audio
COPY ./src/ubuntu/install/audio $INST_SCRIPTS/audio/
RUN bash $INST_SCRIPTS/audio/install_audio.sh && rm -rf $INST_SCRIPTS/audio/
### Install Audio Input
COPY ./src/ubuntu/install/audio_input $INST_SCRIPTS/audio_input/
RUN bash $INST_SCRIPTS/audio_input/install_audio_input.sh && rm -rf $INST_SCRIPTS/audio_input/
### Install Gamepad Service
COPY ./src/ubuntu/install/gamepad $INST_SCRIPTS/gamepad/
RUN bash $INST_SCRIPTS/gamepad/install_gamepad.sh && rm -rf $INST_SCRIPTS/gamepad/
### Install Webcam Service
COPY ./src/ubuntu/install/webcam $INST_SCRIPTS/webcam/
RUN bash $INST_SCRIPTS/webcam/install_webcam.sh && rm -rf $INST_SCRIPTS/webcam/
### Install Printer Service
COPY ./src/ubuntu/install/printer $INST_SCRIPTS/printer/
COPY ./src/ubuntu/install/printer/start_cups.sh /etc/cups/start_cups.sh
RUN bash $INST_SCRIPTS/printer/install_printer.sh && rm -rf $INST_SCRIPTS/printer
COPY ./src/ubuntu/install/printer/resources/*.ppd /etc/cups/ppd/
### Install Recorder Service
COPY ./src/ubuntu/install/recorder $INST_SCRIPTS/recorder/
RUN bash $INST_SCRIPTS/recorder/install_recorder.sh && rm -rf $INST_SCRIPTS/recorder
RUN apk add --no-cache coreutils # the timeout function used by the backend needs to be the one from core utils.
### Install Squid
COPY ./src/ubuntu/install/squid/install/ $INST_SCRIPTS/squid_install/
RUN bash $INST_SCRIPTS/squid_install/install_squid.sh && rm -rf $INST_SCRIPTS/squid_install/
COPY ./src/ubuntu/install/squid/resources/*.conf /etc/squid/
COPY ./src/ubuntu/install/squid/resources/start_squid.sh /etc/squid/start_squid.sh
COPY ./src/ubuntu/install/squid/resources/SN.png /usr/local/squid/share/icons/SN.png
RUN chown proxy:proxy /usr/local/squid/share/icons/SN.png
COPY ./src/ubuntu/install/squid/resources/error_message/access_denied.html /usr/local/squid/share/errors/en/ERR_ACCESS_DENIED
RUN chown proxy:proxy /usr/local/squid/share/errors/en/ERR_ACCESS_DENIED
RUN rm -rf "$INST_SCRIPTS/resources/"
RUN chmod +x /etc/squid/kasm_squid_adapter
RUN chmod +x /etc/squid/start_squid.sh && chmod 4755 /etc/squid/start_squid.sh
### configure startup
COPY ./src/common/scripts/kasm_hook_scripts $STARTUPDIR
COPY ./src/common/startup_scripts $STARTUPDIR
RUN bash $STARTUPDIR/set_user_permission.sh $STARTUPDIR $HOME && \
echo 'source $STARTUPDIR/generate_container_user' >> $HOME/.bashrc
### extra configurations needed per distro variant
COPY ./src/ubuntu/install/extra $INST_SCRIPTS/extra/
RUN bash $INST_SCRIPTS/extra/$EXTRA_SH && rm -rf $INST_SCRIPTS/extra/
### Custom Folder Emblems
COPY ./src/ubuntu/install/emblems $INST_SCRIPTS/emblems/
RUN bash $INST_SCRIPTS/emblems/install_emblems.sh && rm -rf $INST_SCRIPTS/emblems/
### Egress Icons
RUN mkdir -p /usr/share/extra/icons/
ADD /src/common/resources/images/egress_info.svg /usr/share/extra/icons/egress_info.svg
ADD /src/common/resources/images/egress_error.svg /usr/share/extra/icons/egress_error.svg
ADD /src/common/resources/images/egress_offline.svg /usr/share/extra/icons/egress_offline.svg
### Create user and home directory for base images that don't already define it
RUN (groupadd -g 1000 kasm-user \
&& useradd -M -u 1000 -g 1000 kasm-user \
&& usermod -a -G kasm-user kasm-user) ; exit 0
ENV HOME /home/kasm-user
WORKDIR $HOME
RUN mkdir -p $HOME && chown -R 1000:0 $HOME
### Create user exclusively for session recording purposes
RUN (groupadd -g 1001 kasm-recorder \
&& useradd -M -u 1001 -g 1001 kasm-recorder \
&& usermod -a -G kasm-recorder) ; exit 0
### FIX PERMISSIONS ## Objective is to change the owner of non-home paths to root, remove write permissions, and set execute where required
# these files are created on container first exec, by the default user, so we have to create them since default will not have write perm
RUN touch $STARTUPDIR/wm.log \
&& touch $STARTUPDIR/window_manager_startup.log \
&& touch $STARTUPDIR/vnc_startup.log \
&& touch $STARTUPDIR/no_vnc_startup.log \
&& chown -R root:root $STARTUPDIR \
&& find $STARTUPDIR -type d -exec chmod 755 {} \; \
&& find $STARTUPDIR -type f -exec chmod 644 {} \; \
&& find $STARTUPDIR -type f -iname "*.sh" -exec chmod 755 {} \; \
&& find $STARTUPDIR -type f -iname "*.py" -exec chmod 755 {} \; \
&& find $STARTUPDIR -type f -iname "*.rb" -exec chmod 755 {} \; \
&& find $STARTUPDIR -type f -iname "*.pl" -exec chmod 755 {} \; \
&& find $STARTUPDIR -type f -iname "*.log" -exec chmod 666 {} \; \
&& chmod 755 $STARTUPDIR/upload_server/kasm_upload_server \
&& chmod 755 $STARTUPDIR/audio_input/kasm_audio_input_server \
&& chmod 755 $STARTUPDIR/gamepad/kasm_gamepad_server \
&& chmod 755 $STARTUPDIR/webcam/kasm_webcam_server \
&& chmod 755 $STARTUPDIR/generate_container_user \
&& chmod 755 $STARTUPDIR/printer/kasm_printer_service \
&& chmod 755 $STARTUPDIR/recorder/kasm_recorder_service \
&& chmod +x $STARTUPDIR/jsmpeg/kasm_audio_out-linux \
&& rm -rf $STARTUPDIR/install \
&& mkdir -p $STARTUPDIR/kasmrx/Downloads \
&& chown 1000:1000 $STARTUPDIR/kasmrx/Downloads \
&& chown -R root:root /usr/local/bin \
&& chown 1000:root /var/run/pulse
### Language Packs
COPY ./src/ubuntu/install/langpacks $INST_SCRIPTS/langpacks/
RUN bash $INST_SCRIPTS/langpacks/install_langpacks.sh && rm -rf $INST_SCRIPTS/langpacks/
### Cleanup Job
COPY ./src/ubuntu/install/cleanup $INST_SCRIPTS/cleanup/
RUN bash $INST_SCRIPTS/cleanup/cleanup.sh && rm -rf $INST_SCRIPTS/cleanup/
#### Runtime Stage ####
FROM scratch
COPY --from=base_layer / /
### Labels
LABEL "org.opencontainers.image.authors"='Kasm Tech "[email protected]"'
LABEL "com.kasmweb.image"="true"
### Environment config
ARG DISTRO=alpine
ARG EXTRA_SH=noop.sh
ARG LANG='en_US.UTF-8'
ARG LANGUAGE='en_US:en'
ARG LC_ALL='en_US.UTF-8'
ARG START_PULSEAUDIO=1
ARG START_XFCE4=1
ARG TZ='Etc/UTC'
ENV AUDIO_PORT=4901 \
DEBIAN_FRONTEND=noninteractive \
DISPLAY=:1 \
DISTRO=$DISTRO \
GOMP_SPINCOUNT=0 \
HOME=/home/kasm-user \
INST_SCRIPTS=/dockerstartup/install \
KASMVNC_AUTO_RECOVER=true \
KASM_VNC_PATH=/usr/share/kasmvnc \
LANG=$LANG \
LANGUAGE=$LANGUAGE \
LC_ALL=$LC_ALL \
LD_LIBRARY_PATH=/usr/local/lib/ \
MAX_FRAME_RATE=24 \
NO_VNC_PORT=6901 \
OMP_WAIT_POLICY=PASSIVE \
PERL5LIB=/usr/local/bin \
PULSE_RUNTIME_PATH=/var/run/pulse \
SDL_GAMECONTROLLERCONFIG="030000005e040000be02000014010000,XInput Controller,platform:Linux,a:b0,b:b1,x:b2,y:b3,back:b8,guide:b16,start:b9,leftstick:b10,rightstick:b11,leftshoulder:b4,rightshoulder:b5,dpup:b12,dpdown:b13,dpleft:b14,dpright:b15,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:b6,righttrigger:b7" \
SHELL=/bin/bash \
START_PULSEAUDIO=$START_PULSEAUDIO \
STARTUPDIR=/dockerstartup \
START_XFCE4=$START_XFCE4 \
TERM=xterm \
VNC_COL_DEPTH=24 \
VNCOPTIONS="-PreferBandwidth -DynamicQualityMin=4 -DynamicQualityMax=7 -DLP_ClipDelay=0" \
VNC_PORT=5901 \
VNC_PORT=5901 \
VNC_PW=vncpassword \
VNC_RESOLUTION=1280x1024 \
VNC_RESOLUTION=1280x720 \
VNC_VIEW_ONLY_PW=vncviewonlypassword \
TZ=$TZ
### Ports and user
EXPOSE $VNC_PORT \
$NO_VNC_PORT \
$UPLOAD_PORT \
$AUDIO_PORT
WORKDIR $HOME
USER 1000
ENTRYPOINT ["/dockerstartup/kasm_default_profile.sh", "/dockerstartup/vnc_startup.sh", "/dockerstartup/kasm_startup.sh"]
CMD ["--wait"]