Fix: Remove non-existent frontend/public, app, pages dirs from Dockerfile COPY; use src/app structure

Dockerfile

@@ -22,15 +22,17 @@ RUN npm install --legacy-peer-deps --quiet
 COPY frontend/package.json frontend/package-lock.json* ./
 COPY frontend/next.config.mjs ./
 COPY frontend/tsconfig.json ./
-COPY frontend/next-env.d.ts ./
-COPY frontend/public ./public
+COPY frontend/postcss.config.mjs ./
+COPY frontend/tailwind.config.ts ./
+COPY frontend/components.json ./
 COPY frontend/src ./src
-COPY frontend/app ./app
-COPY frontend/pages ./pages
+
+# Create public dir if it doesn't exist (Next.js requires it for standalone output)
+RUN mkdir -p public
 
 # Verify app layout exists (better failure message in CI/HF logs)
-RUN if [ ! -d "app" ] && [ ! -d "src/app" ] && [ ! -d "pages" ]; then \
-            echo "ERROR: no 'app', 'src/app' or 'pages' directory found in frontend - Next.js requires an 'app' or 'pages' directory"; \
+RUN if [ ! -d "src/app" ]; then \
+            echo "ERROR: no 'src/app' directory found in frontend - Next.js requires an app directory"; \
             ls -la /frontend || true; \
             ls -la /frontend/src || true; \
             exit 1; \