Script to install a Chromium Kiosk in Alpine Linux

chromium-wayland.sh

#!/bin/sh

# 1. Enable Community Repositories automatically
# This searches for lines containing '/community' and removes the '#' prefix
sed -i 's/#http/http/g' /etc/apk/repositories

# 2. Add required packages
# mesa-egl and mesa-gbm are included automatically by mesa-dri-gallium and mesa-va-gallium
apk update
apk add open-vm-tools sway swaybg mesa-dri-gallium mesa-va-gallium \
        dbus seatd pcsc-lite ccid eudev chromium

# 3. Enable and Start Services
rc-update add open-vm-tools default
rc-update add seatd default
rc-update add pcscd default
rc-update add udev sysinit
rc-update add udev-trigger sysinit

rc-service open-vm-tools start
rc-service seatd start
rc-service pcscd start
rc-service udev start
rc-service udev-trigger start

# 4. Create kiosk user
adduser -D chromeuser
addgroup chromeuser video
addgroup chromeuser input
addgroup chromeuser seat

# 5. Create Sway Config Directory
mkdir -p /home/chromeuser/.config/sway

# 6. Create the Sway Config file
cat <<EOF > /home/chromeuser/.config/sway/config
# Kiosk configuration
output * bg #000000 solid_color
input "type:keyboard" {
    xkb_layout us
    xkb_variant dvorak
}

# Auto-start Chromium in Wayland mode
# Added --no-first-run and --kiosk for a cleaner kiosk experience
exec_always chromium-browser --enable-features=UseOzonePlatform --ozone-platform=wayland --no-first-run --kiosk

# Emergency Exit (Mod4 is Command/Win key)
bindsym Mod4+Shift+e exec swaymsg exit
EOF

# 7. Create the .profile for Environment and Auto-Start
cat <<'EOF' > /home/chromeuser/.profile
# Setup XDG_RUNTIME_DIR
export XDG_RUNTIME_DIR=/tmp/$(id -u)-runtime
if [ ! -d "$XDG_RUNTIME_DIR" ]; then
    mkdir -pm 0700 "$XDG_RUNTIME_DIR"
fi

# Environment Variables for VMware/Sway Stability
export LIBSEAT_BACKEND=seatd
export WLR_NO_HARDWARE_CURSORS=1

# Use Pixman (software rendering) to bypass vmwgfx driver issues on M2
export WLR_RENDERER=pixman 

# Auto-start Sway on login (only if on TTY1)
if [ -z "$DISPLAY" ] && [ "$(tty)" = "/dev/tty1" ]; then
    exec dbus-run-session sway
fi
EOF

# 8. Set correct permissions
chown -R chromeuser:chromeuser /home/chromeuser/
chmod +x /home/chromeuser/.profile

echo "Setup complete. Log in as 'chromeuser' on TTY1 to start the kiosk."