1 files changed, 14 insertions, 0 deletions
diff --git a/config/webpack/production.js b/config/webpack/production.js
index 303fca81b..4592db89e 100644
--- a/config/webpack/production.js
+++ b/config/webpack/production.js
@@ -5,6 +5,9 @@ const merge = require('webpack-merge');
 const CompressionPlugin = require('compression-webpack-plugin');
 const sharedConfig = require('./shared.js');
 const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
+const OfflinePlugin = require('offline-plugin');
+const { publicPath } = require('./configuration.js');
+const path = require('path');
 
 module.exports = merge(sharedConfig, {
   output: { filename: '[name]-[chunkhash].js' },
@@ -39,5 +42,16 @@ module.exports = merge(sharedConfig, {
       openAnalyzer: false,
       logLevel: 'silent', // do not bother Webpacker, who runs with --json and parses stdout
     }),
+    new OfflinePlugin({
+      publicPath: publicPath, // sw.js must be served from the root to avoid scope issues
+      caches: { }, // do not cache things, we only use it for push notifications for now
+      ServiceWorker: {
+        entry: path.join(__dirname, '../../app/javascript/mastodon/service_worker/entry.js'),
+        cacheName: 'mastodon',
+        output: '../sw.js',
+        publicPath: '/sw.js',
+        minify: true,
+      },
+    }),
   ],
 });