chore: align with clean @mintel basis v1.7.10 and modernize deployment

Dockerfile

@@ -1,10 +1,7 @@
 # Stage 1: Builder
-FROM node:20-alpine AS builder
+FROM registry.infra.mintel.me/mintel/nextjs:1.7.10 AS builder
 WORKDIR /app
 
-# Clean the workspace
-RUN rm -rf ./*
-
 # Arguments for build-time configuration
 ARG NEXT_PUBLIC_BASE_URL
 ARG NEXT_PUBLIC_TARGET
@@ -18,9 +15,6 @@ ENV DIRECTUS_URL=$DIRECTUS_URL
 ENV SKIP_RUNTIME_ENV_VALIDATION=true
 ENV CI=true
 
-# Enable pnpm v10
-RUN corepack enable && corepack prepare pnpm@10.3.0 --activate
-
 # Copy lockfile and manifest for dependency installation caching
 COPY pnpm-lock.yaml package.json .npmrc* ./
 
@@ -40,16 +34,13 @@ COPY . .
 RUN pnpm build
 
 # Stage 2: Runner
-FROM node:20-alpine AS runner
+FROM registry.infra.mintel.me/mintel/runtime:1.7.10 AS runner
 WORKDIR /app
 
-# Install curl for health checks
-RUN apk add --no-cache curl
-
-# Create nextjs user and group
-RUN addgroup --system --gid 1001 nodejs && \
-    adduser --system --uid 1001 nextjs && \
-    chown nextjs:nodejs /app
+# Create nextjs user and group (standardized in runtime image but ensuring local ownership)
+USER root
+RUN chown -R nextjs:nodejs /app
+USER nextjs
 
 ENV HOSTNAME="0.0.0.0"
 ENV PORT=3000
@@ -61,6 +52,4 @@ 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/.next/cache ./.next/cache
 
-USER nextjs
-
 CMD ["node", "server.js"]