diff --git a/BugMine.Web/wwwroot/service-worker.published.js b/BugMine.Web/wwwroot/service-worker.published.js
new file mode 100644
index 0000000..9219755
--- /dev/null
+++ b/BugMine.Web/wwwroot/service-worker.published.js
@@ -0,0 +1,80 @@
+// Caution! Be sure you understand the caveats before publishing an application with
+// offline support. See https://aka.ms/blazor-offline-considerations
+
+self.importScripts('./service-worker-assets.js');
+self.addEventListener('install', event => event.waitUntil(onInstall(event)));
+self.addEventListener('activate', event => event.waitUntil(onActivate(event)));
+self.addEventListener('fetch', event => event.respondWith(onFetch(event)));
+
+const cacheNamePrefix = 'offline-cache-';
+const cacheName = `${cacheNamePrefix}${self.assetsManifest.version}`;
+const offlineAssetsInclude = [// Standard resources
+ /\.dll$/, /\.pdb$/, /\.wasm/, /\.html/, /\.js$/, /\.json$/, /\.css$/, /\.woff$/, /\.png$/, /\.jpe?g$/, /\.gif$/, /\.ico$/, /\.blat$/, /\.dat$/, /* Extra known-static paths */
+ /\/_matrix\/media\/.{2}\/download\//, /api\.dicebear\.com\/6\.x\/identicon\/svg/];
+const offlineAssetsExclude = [/^service-worker\.js$/];
+
+// Replace with your base path if you are hosting on a subfolder. Ensure there is a trailing '/'.
+const base = "/";
+const baseUrl = new URL(base, self.origin);
+const manifestUrlList = self.assetsManifest.assets.map(asset => new URL(asset.url, baseUrl).href);
+
+async function onInstall(event) {
+ console.info('Service worker: Install');
+
+ // Activate the new service worker as soon as the old one is retired.
+ self.skipWaiting();
+
+ // Fetch and cache all matching items from the assets manifest
+ const assetsRequests = self.assetsManifest.assets
+ .filter(asset => offlineAssetsInclude.some(pattern => pattern.test(asset.url)))
+ .filter(asset => !offlineAssetsExclude.some(pattern => pattern.test(asset.url)))
+ .map(asset => new Request(asset.url, {integrity: asset.hash, cache: 'no-cache'}));
+ await caches.open(cacheName).then(cache => cache.addAll(assetsRequests));
+}
+
+async function onActivate(event) {
+ console.info('Service worker: Activate');
+
+ // Delete unused caches
+ const cacheKeys = await caches.keys();
+ await Promise.all(cacheKeys
+ .filter(key => key.startsWith(cacheNamePrefix) && key !== cacheName)
+ .map(key => caches.delete(key)));
+}
+
+async function onFetch(event) {
+ let cachedResponse = null;
+ if (event.request.method === 'GET') {
+ // For all navigation requests, try to serve index.html from cache,
+ // unless that request is for an offline resource.
+ // If you need some URLs to be server-rendered, edit the following check to exclude those URLs
+ const shouldServeIndexHtml = event.request.mode === 'navigate' && !manifestUrlList.some(url => url === event.request.url);
+
+ const request = shouldServeIndexHtml ? 'index.html' : event.request;
+ const shouldCache = offlineAssetsInclude.some(pattern => pattern.test(request.url));
+
+ const cache = await caches.open(cacheName);
+ cachedResponse = await cache.match(request);
+ let exception;
+ let fetched;
+ if (!cachedResponse && shouldCache) {
+ console.log("Service worker caching: fetching ", request.url)
+ try {
+ fetched = true;
+ await cache.add(request);
+ cachedResponse = await cache.match(request);
+ } catch (e) {
+ exception = e;
+ console.error("cache.add error: ", e, request.url)
+ }
+ }
+ let consoleLog = {
+ fetched, shouldCache, request, exception, cachedResponse, url: request.url,
+ }
+ Object.keys(consoleLog).forEach(key => consoleLog[key] == null && delete consoleLog[key])
+ if(consoleLog.exception)
+ console.log("Service worker caching: ", consoleLog)
+ }
+
+ return cachedResponse || fetch(event.request);
+}
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