Alpine KDE

kde/10-tigervnc.sh

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+#!/usr/bin/env bash
+# Check for MYVNC_VNCPASS variable
+if [ -z ${MYVNC_VNCPASS} ]
+then
+    echo "MYVNC_VNCPASS env variable is missing"
+    exit 1
+fi
+
+# Configure tigervnc auth
+if [ ! -f ~/.vnc/passwd ]
+then
+    echo "${MYVNC_VNCPASS}" | vncpasswd -f >~/.vnc/passwd
+    chmod 0600 ~/.vnc/passwd
+fi
+
+# Remove VNCPASS env
+unset MYVNC_VNCPASS
+
+# VNC xstartup
+install /dev/stdin ~/.vnc/xstartup <<- xstartup
+#!/usr/bin/env bash
+unset SESSION_MANAGER
+unset DBUS_SESSION_BUS_ADDRESS
+exec ${STARTXBIN}
+xstartup
+
+# Turn vnc sharing on/off
+if [[ ${MYVNC_VNCSHARING} == "true" ]] || [[ ${MYVNC_VNCSHARING} == "1" ]]
+then
+    _MYVNC_VNCSHARING=alwaysshared
+else
+    _MYVNC_VNCSHARING=nevershared
+fi
+
+# VNC config
+cat >~/.vnc/config <<- vncconfig
+session=i3
+geometry=1920x1080
+framerate=60
+depth=32
+${_MYVNC_VNCSHARING}
+vncconfig
+
+# i3 preferences
+mkdir -p ~/.config/i3/config.d
+cat >~/.config/i3/config <<- 'i3config'
+# Font
+font pango:DejaVu Sans Mono 8
+
+# Include custom config
+include ~/.config/i3/config.d/*.conf
+
+# Binds for killing application
+bindsym Mod1+Mod4+Shift+q kill
+bindsym Mod1+Mod4+Shift+f fullscreen toggle
+
+# Binds for cycling workspaces
+bindsym Mod1+Mod4+Shift+Right workspace next
+bindsym Mod1+Mod4+Shift+Left workspace prev
+
+# Locked mode
+mode locked {
+    bindsym Mod4+Mod1+Escape mode default
+}
+bindsym Mod4+Mod1+Escape mode locked
+
+# Hide bar permanently
+exec --no-startup-id i3-msg bar mode invisible
+
+# Always open window in fullscreen
+for_window [all] fullscreen enable
+for_window [all] border none
+default_border none
+
+# Execute startup script for webapp
+exec --no-startup-id /bin/bash ~/.config/i3/startapp.sh
+i3config

kde/90-tigervnc.sh

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+#!/usr/bin/env bash
+# Launch Tigervnc
+vncserver :0 &

kde/Dockerfile

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+# syntax = docker/dockerfile:1
+FROM myvnc/base
+USER root
+
+# Build ARG: use "root" for debugging
+ARG debug
+
+# X session environment variable
+ENV STARTXBIN=i3
+
+# Run
+RUN apk add --no-cache \
+    tigervnc \
+    i3wm \
+    font-dejavu
+
+# Tigervnc initialization scripts
+COPY *.sh /app/init.d/
+
+# Reset user
+USER ${debug:-user}

kde/build

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+#!/usr/bin/env bash
+# Docker build
+# Optional: buildtag
+DOCKER_BUILDKIT=1 \
+docker build . \
+    --build-arg debug=${debug:-""} \
+    --tag ${buildtag:-myvnc/base:i3}