Introduce a local script to simplify building and pushing new versions to Docker Hub.

build_and_push.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+  
+image="mikeah/prusaslicer-novnc"  
+  
+# Set the timestamp
+timestamp=$(date +%Y.%m.%d.%H%M%S)  
+  
+tag=$image:$timestamp  
+latest=$image:latest  
+  
+# Build the image -- tagged with the timestamp.
+docker build -t $tag .  
+  
+# Push with the latest tag and the timestamp tag to Docker Hub.
+docker login
+docker push $latest  
+  
+# Cleanup
+docker system prune -f