Revised Docker image build process.

package.json

@@ -5,13 +5,13 @@
   "main": "index.js",
   "scripts": {
     "start": "vite",
-    "prebuild": "node scripts/version-check.js",
+    "prebuild": "node scripts/version.mjs",
     "build": "vite build",
     "preview": "vite preview",
     "test": "vitest",
     "server": "node server.js --dev",
     "dev": "concurrently \"npm start\" \"node --watch server.js --dev\"",
-    "build-image": "node scripts/build-image.js"
+    "build-image": "vite build && node scripts/build-image.js"
   },
   "engines": {
     "node": ">=24.0.0"
@@ -28,6 +28,7 @@
     "jmespath": "^0.16.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
+    "semver": "^7.7.3",
     "uuid": "^9.0.0"
   },
   "browserslist": {