Switch from i3 to openbox WM

openbox/Dockerfile

@@ -0,0 +1,26 @@
+# syntax = docker/dockerfile:1
+FROM myvnc/alpine/base
+USER root
+
+# Build ARG: use "root" for debugging
+ARG debug
+
+# X session environment variable
+ENV STARTXBIN=openbox-session
+
+# Run
+RUN apk add --no-cache \
+    tigervnc \
+    openbox \
+    font-dejavu \
+    && sed '/<\/applications>/i\ \
+<application class="*">\ \
+    <maximized>true</maximized>\ \
+    <decor>no</decor>\ \
+</application>' -i /etc/xdg/openbox/rc.xml
+
+# Tigervnc initialization scripts
+COPY *.sh /app/init.d/
+
+# Reset user
+USER ${debug:-user}