feat: add complete Next.js frontend for HF Spaces

.dockerignore

@@ -0,0 +1,27 @@
+node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+.next
+.nuxt
+dist
+build
+
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+.git
+.gitignore
+README.md
+Dockerfile
+.dockerignore
+
+coverage
+.nyc_output
+
+.DS_Store
+Thumbs.db

Dockerfile

@@ -0,0 +1,66 @@
+# Use Node.js 18 Alpine for smaller image size
+FROM node:18-alpine AS base
+
+# Install dependencies only when needed
+FROM base AS deps
+# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+
+# Install dependencies based on the preferred package manager
+COPY package*.json pnpm-lock.yaml* ./
+RUN \
+  if [ -f pnpm-lock.yaml ]; then \
+    corepack enable pnpm && pnpm i --frozen-lockfile; \
+  elif [ -f package-lock.json ]; then \
+    npm ci; \
+  else \
+    echo "Lockfile not found." && exit 1; \
+  fi
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Build the Next.js application
+RUN \
+  if [ -f pnpm-lock.yaml ]; then \
+    corepack enable pnpm && pnpm run build; \
+  else \
+    npm run build; \
+  fi
+
+# Production image, copy all the files and run next
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV production
+# Uncomment the following line in case you want to disable telemetry during runtime.
+# ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+COPY --from=builder /app/public ./public
+
+# Set the correct permission for prerender cache
+RUN mkdir .next
+RUN chown nextjs:nodejs .next
+
+# Automatically leverage output traces to reduce image size
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+# Expose port 7860 (Hugging Face Spaces default)
+EXPOSE 7860
+
+ENV PORT 7860
+ENV HOSTNAME "0.0.0.0"
+
+# Run the application
+CMD ["node", "server.js"]

next.config.ts

@@ -1,7 +1,8 @@
 import type { NextConfig } from 'next'
 
 const nextConfig: NextConfig = {
-  devIndicators: false
+  devIndicators: false,
+  output: 'standalone'
 }
 
 export default nextConfig