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diff --git a/packages/backend/rollup.config.js b/packages/backend/rollup.config.js
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+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+// rollup.config.js
+import linaria from '@linaria/rollup';
+import nodeResolve from "@rollup/plugin-node-resolve";
+import alias from "@rollup/plugin-alias";
+import image from '@rollup/plugin-image';
+import json from "@rollup/plugin-json";
+import ts from "@rollup/plugin-typescript";
+import replace from "@rollup/plugin-replace";
+import css from 'rollup-plugin-css-only';
+import html from '@rollup/plugin-html';
+
+
+
+const template = async ({
+  files,
+  title
+}) => {
+  const scripts = (files.js || []).map(({ code }) => `<script>${code}</script>`).join('\n');
+  const css = (files.css || []).map(({ source }) => `<style>${source}</style>`).join('\n');
+  return `
+<!doctype html>
+<html>
+  <head>
+    <title>${title}</title>
+    ${css}
+  </head>
+  <body>
+    ${scripts}
+    <script>page.mountIntoBody()</script>
+  </body>
+</html>`;
+};
+
+const makePlugins = (name) => [
+  alias({
+    entries: [
+      { find: 'react', replacement: 'preact/compat' },
+      { find: 'react-dom', replacement: 'preact/compat' }
+    ]
+  }),
+
+  replace({
+    "process.env.NODE_ENV": JSON.stringify("production"),
+    preventAssignment: true,
+  }),
+
+  nodeResolve({
+    browser: true,
+    preferBuiltins: true,
+  }),
+
+  json(),
+  image(),
+
+  linaria({
+    sourceMap: process.env.NODE_ENV !== 'production',
+  }),
+  css(),
+  ts({
+    sourceMap: false,
+    outputToFilesystem: false,
+  }),
+  html({ template, fileName: name }),
+];
+
+
+const pageDefinition = (name) => ({
+  input: `src/pages/${name}.tsx`,
+  output: {
+    file: `dist/pages/${name}.js`,
+    format: "iife",
+    exports: 'named',
+    name: 'page',
+  },
+  plugins: makePlugins(`${name}.html`),
+});
+
+export default [
+  pageDefinition("OfferTip"),
+  pageDefinition("OfferRefund"),
+  pageDefinition("DepletedTip"),
+  pageDefinition("RequestPayment"),
+  pageDefinition("ShowOrderDetails"),
+]