feat(frontend): runtime backend URL via /config.js

Stop baking VITE_API_URL into the Vite build so one image can run against any backend. Container entrypoint (docker-entrypoint.d/30-frontend-config.sh, auto-run by the nginx image) writes /usr/share/nginx/html/config.js from the VITE_API_URL container env at every start; index.html loads it before the bundle, and agent.ts prefers window.__APP_CONFIG__ with the build-time env as fallback so local dev and vite preview behave exactly as before. public/config.js ships an empty placeholder for non-container builds. Changing backends is now a restart with new env, no rebuild.
2026-09-06 12:48:58 -04:00
parent 3e0385d5d9
commit 8b18dc55c8
4 changed files with 36 additions and 1 deletions
@@ -32,6 +32,9 @@
  <body>
    <noscript>You need to enable JavaScript to run this app.</noscript>
    <div id="root"></div>
+    <!-- Runtime config (backend URL) injected at container start.
+         See docker-entrypoint.d/30-frontend-config.sh and public/config.js. -->
+    <script src="/config.js"></script>
    <script type="module" src="/src/index.tsx"></script>
    <!--
      This HTML file is a template.