Update Dockerfile

Dockerfile

@@ -1 +1,32 @@
-FROM alpine:3.12
+FROM alpine:latest
+
+# Set environment for non-interactive installs
+ENV VNC_BUILTIN_WIDTH=1280
+ENV VNC_BUILTIN_HEIGHT=720
+ENV VNC_BUILTIN_PIXELDEPTH=24
+ENV VNC_BUILTIN_DISABLED=false
+ENV DISPLAY=:0
+
+# Install required packages
+
+RUN apk add --no-cache \
+    openbox \
+    x11vnc \
+    xvfb \
+    xterm \
+    procps \
+    iproute2 \
+    dhclient \
+    inetutils \
+    xdpyinfo \
+    bash \
+    wget
+
+# Create working directory
+WORKDIR /
+
+# Copy entrypoint script
+COPY ./vnc.sh /vnc.sh
+RUN chmod +x /vnc.sh
+
+ENTRYPOINT ["/vnc.sh"]