Add xfce webtop

xfce/Dockerfile

@@ -0,0 +1,23 @@
+# syntax = docker/dockerfile:1
+FROM alpine/base
+USER root
+
+# Build ARG: use "root" for debugging
+ARG debug
+
+# X session environment variable
+ENV STARTXBIN=startxfce4
+
+# Run
+RUN apk add --no-cache \
+    tigervnc \
+    xfce4 xfce4-terminal adwaita-icon-theme \
+    font-dejavu \
+    firefox \
+    && printf '%s\n' 'permit nopass user as root cmd /sbin/apk args add' >>/etc/doas.conf
+
+# Tigervnc initialization scripts
+COPY *.sh /app/init.d/
+
+# Default environment
+USER ${debug:-user}