diff --git a/lib/Dashboard/CatalogWidget.php b/lib/Dashboard/CatalogWidget.php
index f8bca8a1e..d5b156d56 100644
--- a/lib/Dashboard/CatalogWidget.php
+++ b/lib/Dashboard/CatalogWidget.php
@@ -21,6 +21,7 @@
 use OCP\Util;
 
 use OCA\OpenCatalogi\AppInfo\Application;
+use OCA\OpenCatalogi\Service\ScriptManifestLoader;
 
 /**
  * Widget showing catalog overview on the dashboard.
@@ -102,7 +103,11 @@ public function getUrl(): ?string
      */
     public function load(): void
     {
-        Util::addScript(application: Application::APP_ID, file: Application::APP_ID.'-catalogiWidget');
+        ScriptManifestLoader::addEntryScripts(
+            appId: Application::APP_ID,
+            entry: 'catalogiWidget',
+            fallbackScript: Application::APP_ID.'-catalogiWidget'
+        );
         Util::addStyle(application: Application::APP_ID, file: 'dashboardWidgets');
 
     }//end load()
diff --git a/lib/Dashboard/UnpublishedAttachmentsWidget.php b/lib/Dashboard/UnpublishedAttachmentsWidget.php
index f86daeca2..156a9129f 100644
--- a/lib/Dashboard/UnpublishedAttachmentsWidget.php
+++ b/lib/Dashboard/UnpublishedAttachmentsWidget.php
@@ -21,6 +21,7 @@
 use OCP\Util;
 
 use OCA\OpenCatalogi\AppInfo\Application;
+use OCA\OpenCatalogi\Service\ScriptManifestLoader;
 
 /**
  * Widget showing unpublished attachments on the dashboard.
@@ -102,7 +103,11 @@ public function getUrl(): ?string
      */
     public function load(): void
     {
-        Util::addScript(application: Application::APP_ID, file: Application::APP_ID.'-unpublishedAttachmentsWidget');
+        ScriptManifestLoader::addEntryScripts(
+            appId: Application::APP_ID,
+            entry: 'unpublishedAttachmentsWidget',
+            fallbackScript: Application::APP_ID.'-unpublishedAttachmentsWidget'
+        );
         Util::addStyle(application: Application::APP_ID, file: 'dashboardWidgets');
 
     }//end load()
diff --git a/lib/Dashboard/UnpublishedPublicationsWidget.php b/lib/Dashboard/UnpublishedPublicationsWidget.php
index 60fc3b3ef..3d00d34ee 100644
--- a/lib/Dashboard/UnpublishedPublicationsWidget.php
+++ b/lib/Dashboard/UnpublishedPublicationsWidget.php
@@ -21,6 +21,7 @@
 use OCP\Util;
 
 use OCA\OpenCatalogi\AppInfo\Application;
+use OCA\OpenCatalogi\Service\ScriptManifestLoader;
 
 /**
  * Widget showing unpublished publications on the dashboard.
@@ -102,7 +103,11 @@ public function getUrl(): ?string
      */
     public function load(): void
     {
-        Util::addScript(application: Application::APP_ID, file: Application::APP_ID.'-unpublishedPublicationsWidget');
+        ScriptManifestLoader::addEntryScripts(
+            appId: Application::APP_ID,
+            entry: 'unpublishedPublicationsWidget',
+            fallbackScript: Application::APP_ID.'-unpublishedPublicationsWidget'
+        );
         Util::addStyle(application: Application::APP_ID, file: 'dashboardWidgets');
 
     }//end load()
diff --git a/lib/Service/ScriptManifestLoader.php b/lib/Service/ScriptManifestLoader.php
new file mode 100644
index 000000000..d2ef4e6e4
--- /dev/null
+++ b/lib/Service/ScriptManifestLoader.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * Loader that resolves webpack entrypoint chunks from the build manifest.
+ *
+ * Reads the `opencatalogi-entrypoints.json` manifest emitted by webpack and
+ * registers every JS chunk of an entrypoint (shared vendor chunk first, then
+ * the entry chunk) through Nextcloud's Util::addScript, falling back to a
+ * single script name when the manifest is unavailable.
+ *
+ * @category Service
+ * @package  OCA\OpenCatalogi\Service
+ *
+ * @author    Conduction Development Team <info@conduction.nl>
+ * @copyright 2025 Conduction B.V.
+ * @license   EUPL-1.2 https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
+ *
+ * @version GIT: <git_id>
+ *
+ * @link https://www.OpenCatalogi.nl
+ */
+
+namespace OCA\OpenCatalogi\Service;
+
+use OCP\Util;
+
+/**
+ * Resolves and registers webpack entrypoint chunks from the build manifest.
+ */
+class ScriptManifestLoader
+{
+
+    /**
+     * In-memory cache of decoded manifests, keyed by absolute file path.
+     *
+     * @var array<string, array<string, string[]>> $manifestCache Decoded manifests per path.
+     */
+    private static array $manifestCache = [];
+
+    /**
+     * Register all JS chunks for an entrypoint, or a fallback script.
+     *
+     * @param string $appId          The application identifier.
+     * @param string $entry          The webpack entrypoint name (e.g. 'main').
+     * @param string $fallbackScript Script name to load when the manifest is missing.
+     *
+     * @return void
+     *
+     * @SuppressWarnings(PHPMD.StaticAccess) — Nextcloud Util API is static by design
+     */
+    public static function addEntryScripts(
+        string $appId,
+        string $entry,
+        string $fallbackScript
+    ): void {
+        $chunks = self::resolveEntryScripts(appId: $appId, entry: $entry);
+
+        if ($chunks === null) {
+            Util::addScript(application: $appId, file: $fallbackScript);
+            return;
+        }
+
+        foreach ($chunks as $chunk) {
+            Util::addScript(application: $appId, file: $chunk);
+        }
+
+    }//end addEntryScripts()
+
+    /**
+     * Resolve the ordered list of script names for an entrypoint.
+     *
+     * @param string      $appId       The application identifier.
+     * @param string      $entry       The webpack entrypoint name.
+     * @param string|null $jsDirectory Optional override of the js directory (used in tests).
+     *
+     * @return string[]|null Ordered script names without the .js suffix, or null when unavailable.
+     */
+    public static function resolveEntryScripts(
+        string $appId,
+        string $entry,
+        ?string $jsDirectory=null
+    ): ?array {
+        $manifest = self::loadManifest(appId: $appId, jsDirectory: $jsDirectory);
+
+        if ($manifest === null || isset($manifest[$entry]) === false) {
+            return null;
+        }
+
+        $chunks = [];
+        foreach ($manifest[$entry] as $file) {
+            $chunks[] = preg_replace('/\.js$/', '', $file);
+        }
+
+        return $chunks;
+
+    }//end resolveEntryScripts()
+
+    /**
+     * Load and decode the entrypoints manifest for an application.
+     *
+     * @param string      $appId       The application identifier.
+     * @param string|null $jsDirectory Optional override of the js directory (used in tests).
+     *
+     * @return array<string, string[]>|null The decoded manifest, or null when unavailable.
+     */
+    private static function loadManifest(
+        string $appId,
+        ?string $jsDirectory=null
+    ): ?array {
+        $directory = ($jsDirectory ?? __DIR__.'/../../js');
+        $path      = $directory.'/'.$appId.'-entrypoints.json';
+
+        if (array_key_exists($path, self::$manifestCache) === true) {
+            return self::$manifestCache[$path];
+        }
+
+        if (is_file($path) === false) {
+            return null;
+        }
+
+        $contents = file_get_contents($path);
+        if ($contents === false) {
+            return null;
+        }
+
+        $decoded = json_decode($contents, true);
+        if (is_array($decoded) === false) {
+            return null;
+        }
+
+        self::$manifestCache[$path] = $decoded;
+        return $decoded;
+
+    }//end loadManifest()
+}//end class
diff --git a/package-lock.json b/package-lock.json
index efb01340e..723098ff6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -70,6 +70,7 @@
         "@uiw/codemirror-theme-github": "^4.25.9",
         "@vue/test-utils": "^1.3.6",
         "@vue/vue2-jest": "^29.2.6",
+        "esbuild": "^0.28.1",
         "eslint": "^8.57.0",
         "eslint-import-resolver-alias": "^1.1.2",
         "eslint-webpack-plugin": "^4.2.0",
@@ -80,6 +81,7 @@
         "sass": "^1.98.0",
         "sass-loader": "^16.0.7",
         "stylelint-webpack-plugin": "^5.0.1",
+        "terser-webpack-plugin": "^5.6.1",
         "ts-jest": "^29.2.4",
         "ts-loader": "^9.5.1",
         "typescript": "^5.5.4",
@@ -2385,29 +2387,6 @@
         "@floating-ui/core": "^1.1.0"
       }
     },
-    "node_modules/@conduction/nextcloud-vue/node_modules/@nextcloud/dialogs/node_modules/pinia": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/pinia/-/pinia-3.0.4.tgz",
-      "integrity": "sha512-l7pqLUFTI/+ESXn6k3nu30ZIzW5E2WZF/LaHJEpoq6ElcLD+wduZoB2kBN19du6K/4FDpPMazY2wJr+IndBtQw==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@vue/devtools-api": "^7.7.7"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/posva"
-      },
-      "peerDependencies": {
-        "typescript": ">=4.5.0",
-        "vue": "^3.5.11"
-      },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@conduction/nextcloud-vue/node_modules/@nextcloud/dialogs/node_modules/splitpanes": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/splitpanes/-/splitpanes-4.0.4.tgz",
@@ -2612,17 +2591,6 @@
         "source-map-js": "^1.2.1"
       }
     },
-    "node_modules/@conduction/nextcloud-vue/node_modules/@vue/devtools-api": {
-      "version": "7.7.9",
-      "resolved": "https://registry.npmjs.org/@vue/devtools-api/-/devtools-api-7.7.9.tgz",
-      "integrity": "sha512-kIE8wvwlcZ6TJTbNeU2HQNtaxLx3a84aotTITUuL/4bzfPxzajGBOoqjMhwZJ8L9qFYDU/lAYMEEm11dnZOD6g==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@vue/devtools-kit": "^7.7.9"
-      }
-    },
     "node_modules/@conduction/nextcloud-vue/node_modules/@vue/devtools-shared": {
       "version": "8.1.1",
       "resolved": "https://registry.npmjs.org/@vue/devtools-shared/-/devtools-shared-8.1.1.tgz",
@@ -3117,6 +3085,448 @@
         "node": ">=16"
       }
     },
+    "node_modules/@esbuild/aix-ppc64": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.28.1.tgz",
+      "integrity": "sha512-Svl7tq8k/08+p6CXPpRjQ1fKX+1odH/BQbb48fV6fj3CWHhsoIOoY87w1oHXm0qEpkIK3ZfVgp0hed3XBXzXMQ==",
+      "cpu": [
+        "ppc64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "aix"
+      ],
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@esbuild/android-arm": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.28.1.tgz",
+      "integrity": "sha512-0k2F129Xdio1TdJfzJ8sy1Q47vUD2NnwdhiAf7drUN1EBTfPf4hsFCtmMgu/6m8JSzsBrlmVjudMBQqOfG8usQ==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@esbuild/android-arm64": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.28.1.tgz",
+      "integrity": "sha512-34EGEbCIAgosYz6goLcopX6Mo7NyGv9tfwEM2/7Ce2VcVRk568iSvniGWcUXIy7wEDR1wzolcxcriFVrWYcwBg==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@esbuild/android-x64": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.28.1.tgz",
+      "integrity": "sha512-dbwY7ltSMDWsRatcRpCnES4F+im88OCUgGZjy52shC7GqHRE/cYlxNbB4Z4UpJswpcc4Qxd2oE/ufM0p61IKng==",
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+        "x64"
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+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
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+      }
+    },
+    "node_modules/@esbuild/darwin-arm64": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.28.1.tgz",
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+      ],
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+      }
+    },
+    "node_modules/@esbuild/darwin-x64": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/darwin-x64/-/darwin-x64-0.28.1.tgz",
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+        "x64"
+      ],
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+      "optional": true,
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+        "darwin"
+      ],
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+        "arm64"
+      ],
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+      "optional": true,
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+        "freebsd"
+      ],
+      "engines": {
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+      }
+    },
+    "node_modules/@esbuild/freebsd-x64": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.28.1.tgz",
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+        "x64"
+      ],
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+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "freebsd"
+      ],
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+      }
+    },
+    "node_modules/@esbuild/linux-arm": {
+      "version": "0.28.1",
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+        "arm"
+      ],
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+      "license": "MIT",
+      "optional": true,
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+        "linux"
+      ],
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+      }
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+        "arm64"
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+      "license": "MIT",
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+      ],
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+      }
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+        "ia32"
+      ],
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+      ],
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+        "loong64"
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+      "license": "MIT",
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+        "linux"
+      ],
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+      }
+    },
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+        "mips64el"
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+      "optional": true,
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+      }
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+        "ppc64"
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+      "optional": true,
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+    },
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+      "version": "0.28.1",
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+      }
+    },
+    "node_modules/@esbuild/netbsd-arm64": {
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+      "resolved": "https://registry.npmjs.org/@esbuild/netbsd-arm64/-/netbsd-arm64-0.28.1.tgz",
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+      "license": "MIT",
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+        "netbsd"
+      ],
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+      }
+    },
+    "node_modules/@esbuild/netbsd-x64": {
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@@ -13802,6 +14166,48 @@
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+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.28.1.tgz",
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+      "hasInstallScript": true,
+      "license": "MIT",
+      "bin": {
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+      "engines": {
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+      },
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+        "@esbuild/android-arm": "0.28.1",
+        "@esbuild/android-arm64": "0.28.1",
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+        "@esbuild/freebsd-x64": "0.28.1",
+        "@esbuild/linux-arm": "0.28.1",
+        "@esbuild/linux-arm64": "0.28.1",
+        "@esbuild/linux-ia32": "0.28.1",
+        "@esbuild/linux-loong64": "0.28.1",
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+        "@esbuild/linux-ppc64": "0.28.1",
+        "@esbuild/linux-riscv64": "0.28.1",
+        "@esbuild/linux-s390x": "0.28.1",
+        "@esbuild/linux-x64": "0.28.1",
+        "@esbuild/netbsd-arm64": "0.28.1",
+        "@esbuild/netbsd-x64": "0.28.1",
+        "@esbuild/openbsd-arm64": "0.28.1",
+        "@esbuild/openbsd-x64": "0.28.1",
+        "@esbuild/openharmony-arm64": "0.28.1",
+        "@esbuild/sunos-x64": "0.28.1",
+        "@esbuild/win32-arm64": "0.28.1",
+        "@esbuild/win32-ia32": "0.28.1",
+        "@esbuild/win32-x64": "0.28.1"
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@@ -27534,11 +27876,10 @@
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@@ -27556,12 +27897,39 @@
         "webpack": "^5.1.0"
       },
       "peerDependenciesMeta": {
+        "@minify-html/node": {
+          "optional": true
+        },
         "@swc/core": {
           "optional": true
         },
+        "@swc/css": {
+          "optional": true
+        },
+        "@swc/html": {
+          "optional": true
+        },
+        "clean-css": {
+          "optional": true
+        },
+        "cssnano": {
+          "optional": true
+        },
+        "csso": {
+          "optional": true
+        },
         "esbuild": {
           "optional": true
         },
+        "html-minifier-terser": {
+          "optional": true
+        },
+        "lightningcss": {
+          "optional": true
+        },
+        "postcss": {
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@@ -27572,7 +27940,6 @@
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@@ -27582,7 +27949,6 @@
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-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
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@@ -27630,7 +27993,6 @@
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diff --git a/package.json b/package.json
index eef939a2b..3e1955664 100644
--- a/package.json
+++ b/package.json
@@ -84,6 +84,7 @@
     "@uiw/codemirror-theme-github": "^4.25.9",
     "@vue/test-utils": "^1.3.6",
     "@vue/vue2-jest": "^29.2.6",
+    "esbuild": "^0.28.1",
     "eslint": "^8.57.0",
     "eslint-import-resolver-alias": "^1.1.2",
     "eslint-webpack-plugin": "^4.2.0",
@@ -94,6 +95,7 @@
     "sass": "^1.98.0",
     "sass-loader": "^16.0.7",
     "stylelint-webpack-plugin": "^5.0.1",
+    "terser-webpack-plugin": "^5.6.1",
     "ts-jest": "^29.2.4",
     "ts-loader": "^9.5.1",
     "typescript": "^5.5.4",
diff --git a/templates/index.php b/templates/index.php
index 2ead5cd7a..ab89e28a5 100644
--- a/templates/index.php
+++ b/templates/index.php
@@ -1,9 +1,10 @@
 <?php
 
 use OCP\Util;
+use OCA\OpenCatalogi\Service\ScriptManifestLoader;
 
 $appId = OCA\OpenCatalogi\AppInfo\Application::APP_ID;
-Util::addScript($appId, $appId . '-main');
+ScriptManifestLoader::addEntryScripts($appId, 'main', $appId . '-main');
 Util::addStyle($appId, 'main');
 ?>
 
diff --git a/templates/settings/admin.php b/templates/settings/admin.php
index 4ba6c1042..86b4a5eab 100644
--- a/templates/settings/admin.php
+++ b/templates/settings/admin.php
@@ -1,8 +1,9 @@
 <?php
 use OCP\Util;
+use OCA\OpenCatalogi\Service\ScriptManifestLoader;
 
 $appId = OCA\OpenCatalogi\AppInfo\Application::APP_ID;
-Util::addScript($appId, $appId . '-settings');
+ScriptManifestLoader::addEntryScripts($appId, 'adminSettings', $appId . '-settings');
 Util::addStyle($appId, 'main');
 
 ?>
diff --git a/tests/Unit/Service/ScriptManifestLoaderTest.php b/tests/Unit/Service/ScriptManifestLoaderTest.php
new file mode 100644
index 000000000..02c137c59
--- /dev/null
+++ b/tests/Unit/Service/ScriptManifestLoaderTest.php
@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Unit\Service;
+
+use OCA\OpenCatalogi\Service\ScriptManifestLoader;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Unit tests for ScriptManifestLoader.
+ *
+ * Covers manifest resolution and every fallback branch (missing file,
+ * invalid JSON, non-array JSON, unknown entry) via the injectable js directory.
+ */
+class ScriptManifestLoaderTest extends TestCase
+{
+
+    private string $tmpDir;
+
+    protected function setUp(): void
+    {
+        $this->tmpDir = sys_get_temp_dir() . '/octest-manifest-' . uniqid('', true);
+        mkdir($this->tmpDir, 0777, true);
+    }
+
+    protected function tearDown(): void
+    {
+        $manifest = $this->tmpDir . '/opencatalogi-entrypoints.json';
+        if (is_file($manifest)) {
+            unlink($manifest);
+        }
+
+        if (is_dir($this->tmpDir)) {
+            rmdir($this->tmpDir);
+        }
+    }
+
+    private function writeManifest(string $contents): void
+    {
+        file_put_contents($this->tmpDir . '/opencatalogi-entrypoints.json', $contents);
+    }
+
+    public function testReturnsOrderedChunksWithoutJsSuffixForKnownEntry(): void
+    {
+        $this->writeManifest(json_encode([
+            'main' => [
+                'opencatalogi-vendor.js',
+                'opencatalogi-shared.js',
+                'opencatalogi-main.js',
+            ],
+        ]));
+
+        $chunks = ScriptManifestLoader::resolveEntryScripts('opencatalogi', 'main', $this->tmpDir);
+
+        $this->assertSame(
+            ['opencatalogi-vendor', 'opencatalogi-shared', 'opencatalogi-main'],
+            $chunks,
+        );
+    }
+
+    public function testReturnsNullWhenManifestFileIsMissing(): void
+    {
+        $chunks = ScriptManifestLoader::resolveEntryScripts('opencatalogi', 'main', $this->tmpDir);
+
+        $this->assertNull($chunks);
+    }
+
+    public function testReturnsNullWhenEntryIsNotInManifest(): void
+    {
+        $this->writeManifest(json_encode(['main' => ['opencatalogi-main.js']]));
+
+        $chunks = ScriptManifestLoader::resolveEntryScripts('opencatalogi', 'adminSettings', $this->tmpDir);
+
+        $this->assertNull($chunks);
+    }
+
+    public function testReturnsNullWhenManifestIsInvalidJson(): void
+    {
+        $this->writeManifest('{ not valid json');
+
+        $chunks = ScriptManifestLoader::resolveEntryScripts('opencatalogi', 'main', $this->tmpDir);
+
+        $this->assertNull($chunks);
+    }
+
+    public function testReturnsNullWhenManifestIsNotAnArray(): void
+    {
+        $this->writeManifest('123');
+
+        $chunks = ScriptManifestLoader::resolveEntryScripts('opencatalogi', 'main', $this->tmpDir);
+
+        $this->assertNull($chunks);
+    }
+}
diff --git a/webpack.config.js b/webpack.config.js
index 167f6e3b3..8280237e9 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -4,10 +4,12 @@ const webpack = require('webpack')
 const webpackConfig = require('@nextcloud/webpack-vue-config')
 const { VueLoaderPlugin } = require('vue-loader')
 const NodePolyfillPlugin = require('node-polyfill-webpack-plugin')
+const TerserPlugin = require('terser-webpack-plugin')
 
 const buildMode = process.env.NODE_ENV
 const isDev = buildMode === 'development'
-webpackConfig.devtool = isDev ? 'cheap-source-map' : 'source-map'
+// No production source maps: they inflate output size and heap usage dramatically.
+webpackConfig.devtool = isDev ? 'cheap-source-map' : false
 
 webpackConfig.stats = {
 	colors: true,
@@ -38,8 +40,6 @@ webpackConfig.entry = {
 	},
 }
 
-webpackConfig.devtool = 'inline-source-map'
-
 webpackConfig.module = {
 	rules: [
 		{
@@ -86,7 +86,65 @@ webpackConfig.resolve.alias = {
 	vue$: path.resolve(__dirname, 'node_modules/vue'),
 	pinia$: path.resolve(__dirname, 'node_modules/pinia'),
 	'@nextcloud/vue$': path.resolve(__dirname, 'node_modules/@nextcloud/vue'),
-	'@nextcloud/dialogs': path.resolve(__dirname, 'node_modules/@nextcloud/dialogs'),
+	'@nextcloud/dialogs$': path.resolve(__dirname, 'node_modules/@nextcloud/dialogs'),
 }
 
+if (isDev === false) {
+	webpackConfig.optimization = webpackConfig.optimization || {}
+
+	// Minify with esbuild instead of Terser: far lower peak RAM and much faster.
+	// esbuild parallelises internally (Go), so disable webpack-worker parallelism
+	// to avoid spawning redundant Node processes.
+	webpackConfig.optimization.minimizer = [
+		new TerserPlugin({
+			minify: TerserPlugin.esbuildMinify,
+			parallel: false,
+			terserOptions: {
+				legalComments: 'eof',
+			},
+		}),
+	]
+
+	// The in-memory build cache is unused in a single-shot production build and
+	// only adds heap pressure.
+	webpackConfig.cache = false
+
+	// De-duplicate node_modules across the five entrypoints into a single shared
+	// vendor chunk instead of bundling vue/@nextcloud/vue/pinia/etc. once per entry.
+	// This is the main output-size and RAM win. The emitted vendor chunk must be
+	// loaded before each entry script (handled PHP-side by ScriptManifestLoader).
+	webpackConfig.optimization.splitChunks = {
+		chunks: 'all',
+		cacheGroups: {
+			vendor: {
+				test: /[\\/]node_modules[\\/]/,
+				name: 'vendor',
+				priority: 10,
+			},
+		},
+	}
+}
+
+// Emit a manifest mapping each entrypoint to its ordered list of initial JS chunks
+// (runtime, shared vendor, entry). ScriptManifestLoader.php reads this so every entry
+// loads its split chunks in the correct order, with a fallback to the single-script
+// name when the manifest is absent.
+webpackConfig.plugins.push({
+	apply(compiler) {
+		compiler.hooks.afterEmit.tap('OpenCatalogiEntrypointsManifest', (compilation) => {
+			const manifest = {}
+			for (const [name, entrypoint] of compilation.entrypoints) {
+				manifest[name] = entrypoint
+					.getFiles()
+					.map((file) => file.split('?')[0])
+					.filter((file) => file.endsWith('.js'))
+			}
+			fs.writeFileSync(
+				path.join(compiler.options.output.path, 'opencatalogi-entrypoints.json'),
+				JSON.stringify(manifest, null, '\t') + '\n',
+			)
+		})
+	},
+})
+
 module.exports = webpackConfig