Fix Node.js version compatibility for Nuxt 3.18.0

Dockerfile

@@ -1,5 +1,5 @@
 # Build stage
-FROM node:18-alpine AS builder
+FROM node:20-alpine AS builder
 
 WORKDIR /app
 
@@ -7,7 +7,7 @@ WORKDIR /app
 COPY package*.json ./
 
 # Install dependencies
-RUN npm ci --only=production
+RUN npm ci --omit=dev
 
 # Copy source code
 COPY . .
@@ -16,7 +16,7 @@ COPY . .
 RUN npm run build
 
 # Production stage
-FROM node:18-alpine AS production
+FROM node:20-alpine AS production
 
 WORKDIR /app