feat: add Dockerfile and standalone output for site deployment

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

site/Dockerfile

@@ -0,0 +1,22 @@
+FROM oven/bun:1.3 AS deps
+WORKDIR /app
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
+
+FROM oven/bun:1.3 AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+RUN bun run build
+
+FROM node:22-alpine AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+ENV PORT=3000
+RUN addgroup --system --gid 1001 nodejs && adduser --system --uid 1001 nextjs
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+USER nextjs
+EXPOSE 3000
+CMD ["node", "server.js"]

site/next.config.ts

@@ -1,7 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  /* config options here */
+  output: "standalone",
 };
 
 export default nextConfig;