Add Dockerfile and .dockerignore; configure Next.js output settings

distribution_fe/.dockerignore

@@ -0,0 +1,5 @@
+node_modules
+.next
+.git
+.gitignore
+*.md

distribution_fe/Dockerfile

@@ -0,0 +1,22 @@
+FROM node:20-alpine AS deps
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+FROM node:20-alpine AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+RUN npm run build
+
+FROM node:20-alpine AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+RUN addgroup --system --gid 1001 nodejs && adduser --system --uid 1001 nextjs
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+COPY --from=builder --chown=nextjs:nodejs /app/public ./public
+USER nextjs
+EXPOSE 3000
+ENV PORT=3000
+CMD ["node", "server.js"]

distribution_fe/next.config.ts

@@ -6,6 +6,7 @@ const nextConfig: NextConfig = {
   // with "Cannot read properties of undefined (reading 'appendChild')" on any page using
   // LocationPicker. Production builds never double-invoke, so this only affects local dev.
   reactStrictMode: false,
+  output: "standalone",
 }
 
 export default nextConfig