feat: Add production-ready multi-stage Dockerfile

.dockerignore

@@ -0,0 +1,15 @@
+node_modules
+.next
+.git
+.gitignore
+README.md
+Dockerfile
+docker-compose.yml
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+npm-debug.log
+yarn-debug.log
+yarn-error.log
+.DS_Store

Dockerfile

@@ -0,0 +1,36 @@
+# Stage 1: Dependencies
+FROM node:20-alpine AS deps
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# Stage 2: Builder
+FROM node:20-alpine AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+# Disable Next.js telemetry
+ENV NEXT_TELEMETRY_DISABLED 1
+RUN npm run build
+
+# Stage 3: Runner
+FROM node:20-alpine AS runner
+WORKDIR /app
+ENV NODE_ENV production
+ENV NEXT_TELEMETRY_DISABLED 1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN 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
+ENV PORT 3000
+ENV HOSTNAME "0.0.0.0"
+
+CMD ["node", "server.js"]

docker-compose.yml

@@ -0,0 +1,13 @@
+services:
+  web:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=development
+    volumes:
+      - .:/app
+      - /app/node_modules
+      - /app/.next

next.config.mjs

@@ -13,6 +13,7 @@ try {
 
 /** @type {import('next').NextConfig} */
 const nextConfig = {
+  output: 'standalone',
   eslint: {
     ignoreDuringBuilds: true,
   },