feat: add Dockerfile and update nextjs config

ui/Dockerfile

@@ -0,0 +1,65 @@
+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
+COPY package.json package-lock.json* ./
+RUN \
+  if [ -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 . .
+
+# Next.js collects completely anonymous telemetry data about general usage.
+# Learn more here: https://nextjs.org/telemetry
+# Uncomment the following line in case you want to disable telemetry during the build.
+ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN \
+  if [ -f package-lock.json ]; then npm run build; \
+  else echo "Lockfile not found." && exit 1; \
+  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/app/api-reference/next-config-js/output#automatically-copying-traced-files
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT 3000
+# set hostname to localhost
+ENV HOSTNAME "0.0.0.0"
+
+# server.js is created by next build from the standalone output
+# https://nextjs.org/docs/app/api-reference/next-config-js/output
+CMD ["node", "server.js"]

ui/next.config.mjs

@@ -5,6 +5,7 @@ const withBundleAnalzyer = bundleAnalzer({ enabled: process.env.ANALYZE === 'tru
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   rewrites: () => [{ source: '/api/:path*', destination: `${process.env.BACKEND_URL}/api/:path*` }],
+  output: 'standalone',
 };
 
 export default withBundleAnalzyer(nextConfig);