fix(frontend): Update build directory and referenced paths (#4461)

containers/app/Dockerfile

@@ -90,7 +90,7 @@ RUN python openhands/core/download.py # No-op to download assets
 # openhands:openhands -> openhands:app
 RUN find /app \! -group app -exec chgrp app {} +
 
-COPY --chown=openhands:app --chmod=770 --from=frontend-builder /app/build/client ./frontend/build
+COPY --chown=openhands:app --chmod=770 --from=frontend-builder /app/build ./frontend/build
 COPY --chown=openhands:app --chmod=770 ./containers/app/entrypoint.sh /app/entrypoint.sh
 
 USER root

frontend/package.json

@@ -46,7 +46,7 @@
     "dev": "npm run make-i18n && VITE_MOCK_API=false remix vite:dev",
     "dev:mock": "npm run make-i18n && VITE_MOCK_API=true remix vite:dev",
     "build": "npm run make-i18n && tsc && remix vite:build",
-    "start": "npx sirv-cli build/client/ --single",
+    "start": "npx sirv-cli build/ --single",
     "test": "vitest run",
     "test:coverage": "npm run make-i18n && vitest run --coverage",
     "dev_wsl": "VITE_WATCH_USE_POLLING=true vite",

frontend/vite.config.ts

@@ -8,11 +8,10 @@ import { vitePlugin as remix } from "@remix-run/dev";
 
 export default defineConfig(({ mode }) => {
   const {
-      VITE_BACKEND_HOST = "127.0.0.1:3000",
-      VITE_USE_TLS = "false",
-      VITE_FRONTEND_PORT = "3001",
-      VITE_INSECURE_SKIP_VERIFY = "false",
-      VITE_WATCH_USE_POLLING = "false",
+    VITE_BACKEND_HOST = "127.0.0.1:3000",
+    VITE_USE_TLS = "false",
+    VITE_FRONTEND_PORT = "3001",
+    VITE_INSECURE_SKIP_VERIFY = "false",
   } = loadEnv(mode, process.cwd());
 
   const USE_TLS = VITE_USE_TLS === "true";
@@ -23,6 +22,35 @@ export default defineConfig(({ mode }) => {
   const API_URL = `${PROTOCOL}://${VITE_BACKEND_HOST}/`;
   const WS_URL = `${WS_PROTOCOL}://${VITE_BACKEND_HOST}/`;
   const FE_PORT = Number.parseInt(VITE_FRONTEND_PORT, 10);
+
+  /**
+   * This script is used to unpack the client directory from the frontend build directory.
+   * Remix SPA mode builds the client directory into the build directory. This function
+   * moves the contents of the client directory to the build directory and then removes the
+   * client directory.
+   *
+   * This script is used in the buildEnd function of the Vite config.
+   */
+  const unpackClientDirectory = async () => {
+    const fs = await import("fs");
+    const path = await import("path");
+
+    const buildDir = path.resolve(__dirname, "build");
+    const clientDir = path.resolve(buildDir, "client");
+
+    const files = await fs.promises.readdir(clientDir);
+    await Promise.all(
+      files.map((file) =>
+        fs.promises.rename(
+          path.resolve(clientDir, file),
+          path.resolve(buildDir, file),
+        ),
+      ),
+    );
+
+    await fs.promises.rmdir(clientDir);
+  };
+
   return {
     plugins: [
       !process.env.VITEST &&
@@ -33,6 +61,7 @@ export default defineConfig(({ mode }) => {
             v3_throwAbortReason: true,
           },
           appDirectory: "src",
+          buildEnd: unpackClientDirectory,
           ssr: false,
         }),
       viteTsconfigPaths(),
@@ -67,5 +96,5 @@ export default defineConfig(({ mode }) => {
         include: ["src/**/*.{ts,tsx}"],
       },
     },
-  }
+  };
 });

openhands/server/listen.py

@@ -798,4 +798,4 @@ def github_callback(auth_code: AuthCode):
     )
 
 
-app.mount('/', StaticFiles(directory='./frontend/build/client', html=True), name='dist')
+app.mount('/', StaticFiles(directory='./frontend/build', html=True), name='dist')