Optimize frontend for production using multi-stage standalone build

Dockerfile

@@ -0,0 +1,53 @@
+FROM node:20-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 package-lock.json* ./
+RUN npm ci
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Set environment variables for build
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN npm run build
+
+# Production image, copy all the files and run next
+FROM base 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
+
+# Automatically leverage output traces to reduce image size
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+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
+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

@@ -20,6 +20,20 @@ services:
       timeout: 5s
       retries: 5
 
+  pgbouncer:
+    image: edoburu/pgbouncer
+    container_name: pragativeer_pgbouncer
+    environment:
+      - DATABASE_URL=postgres://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - POOL_MODE=transaction
+      - MAX_CLIENT_CONN=1000
+      - DEFAULT_POOL_SIZE=50
+    depends_on:
+      postgres:
+        condition: service_healthy
+    networks:
+      - pragativeer_network
+
   redis:
     image: redis:7-alpine
     container_name: pragativeer_cache
@@ -41,7 +55,7 @@ services:
     ports:
       - "8000:8000"
     environment:
-      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@pgbouncer:5432/pragativeer_prod
       - REDIS_URL=redis://redis:6379/0
       - ENV=development
       - MINIO_ENDPOINT=minio:9000
@@ -65,7 +79,7 @@ services:
     volumes:
       - ./backend:/app
     environment:
-      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@pgbouncer:5432/pragativeer_prod
       - REDIS_URL=redis://redis:6379/0
       - MINIO_ENDPOINT=minio:9000
       - MINIO_ACCESS_KEY=minio_admin
@@ -88,7 +102,7 @@ services:
     volumes:
       - ./backend:/app
     environment:
-      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@postgres:5432/pragativeer_prod
+      - DATABASE_URL=postgresql://pragativeer_admin:local_secure_password_2026@pgbouncer:5432/pragativeer_prod
       - REDIS_URL=redis://redis:6379/0
     env_file:
       - ./backend/.env
@@ -101,13 +115,10 @@ services:
   frontend:
     build:
       context: .
-      dockerfile: Dockerfile.dev
+      dockerfile: Dockerfile
     container_name: pragativeer_frontend
     ports:
       - "3000:3000"
-    volumes:
-      - .:/app
-      - /app/node_modules
     environment:
       - NEXT_PUBLIC_API_URL=http://localhost:8000
     depends_on:

next.config.ts

@@ -1,6 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
+  output: "standalone",
   async rewrites() {
     return [
       {