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Dockerfile

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+# ============ Source Stage ============
+FROM alpine/git AS source
+
+WORKDIR /repo
+RUN git clone --recurse-submodules --depth=1 \
+    https://github.com/liuzhao1225/YouDub-webui.git . \
+    && rm -rf .git
+
+# ============ Frontend Build Stage ============
+FROM node:20-slim AS frontend-builder
+
+WORKDIR /build
+COPY --from=source /repo/apps/web/ .
+
+# Create basic auth middleware (WEB_USERNAME / WEB_PASSWORD at runtime)
+RUN mkdir -p src && cat > src/middleware.ts << 'MIDEOF'
+import { NextRequest, NextResponse } from "next/server";
+
+export function middleware(req: NextRequest) {
+  const password = process.env.WEB_PASSWORD;
+  if (!password) return NextResponse.next();
+
+  const header = req.headers.get("authorization");
+  if (header) {
+    const [user, pwd] = atob(header.slice(6)).split(":");
+    if (user === (process.env.WEB_USERNAME || "admin") && pwd === password)
+      return NextResponse.next();
+  }
+
+  return new NextResponse("Unauthorized", {
+    status: 401,
+    headers: { "WWW-Authenticate": "Basic realm=\"YouDub WebUI\"" },
+  });
+}
+
+export const config = { matcher: "/:path*" };
+MIDEOF
+
+RUN npm ci && npm run build
+
+# ============ Runtime Stage ============
+FROM python:3.12-slim-bookworm
+
+WORKDIR /app
+
+# Install system runtime deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg curl ca-certificates build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get install -y nodejs \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy entire source tree
+COPY --from=source /repo/ .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Overlay built frontend artifacts
+COPY --from=frontend-builder /build/.next apps/web/.next
+COPY --from=frontend-builder /build/node_modules apps/web/node_modules
+
+# Create runtime data directories
+RUN mkdir -p data workfolder
+
+# Install entrypoint
+COPY docker-entrypoint-youduo.sh /usr/local/bin/docker-entrypoint.sh
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
+EXPOSE 7860
+
+ENV DEVICE=cpu
+ENV WORKFOLDER=./workfolder
+ENV MODEL_CACHE_DIR=./data/modelscope
+ENV BACKEND_PORT=8000
+ENV FRONTEND_PORT=7860
+ENV WEB_USERNAME=admin
+ENV WEB_PASSWORD=admin
+
+ENTRYPOINT ["docker-entrypoint.sh"]

docker-entrypoint-youduo.sh

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+#!/bin/bash
+set -e
+
+BACKEND_PORT="${BACKEND_PORT:-8000}"
+FRONTEND_PORT="${FRONTEND_PORT:-7860}"
+
+# Create default .env from example if not mounted/provided
+if [ ! -f .env ] && [ -f .env.example ]; then
+    cp .env.example .env
+    echo "[entrypoint] Created .env from .env.example"
+fi
+
+# Start backend API in background
+uvicorn backend.app.main:app --host 0.0.0.0 --port "$BACKEND_PORT" &
+
+# Start frontend (proxies /api/* to backend on 127.0.0.1:BACKEND_PORT)
+export NEXT_SERVER_API_BASE_URL="http://127.0.0.1:${BACKEND_PORT}"
+exec npm --prefix apps/web run start -- --port "$FRONTEND_PORT" --hostname 0.0.0.0