Updated image to node:lts-alpine

backend/Dockerfile

@@ -1,7 +1,7 @@
 # Production Dockerfile for MotoVaultPro Backend
 
 # Stage 1: Build stage
-FROM node:20-alpine AS builder
+FROM node:lts-alpine AS builder
 
 # Install build dependencies
 RUN apk add --no-cache dumb-init git curl
@@ -22,7 +22,7 @@ COPY . .
 RUN npm run build
 
 # Stage 2: Production runtime
-FROM node:20-alpine AS production
+FROM node:lts-alpine AS production
 
 # Install runtime dependencies only
 RUN apk add --no-cache dumb-init curl