fix: implement Lean Docker strategy with mintel/runtime and remove explicit container_name fields

apps/sample-website/Dockerfile

@@ -20,23 +20,13 @@ ENV DIRECTUS_URL=$DIRECTUS_URL
 RUN pnpm --filter sample-website build
 
 # Production runner image
-FROM node:20-alpine AS runner
+FROM registry.infra.mintel.me/mintel/runtime:latest AS runner
 WORKDIR /app
 
-# Install curl for health checks
-RUN apk add --no-cache curl
-
-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/apps/sample-website/public ./apps/sample-website/public
 
 # Set the correct permission for prerender cache
-RUN mkdir -p apps/sample-website/.next
-RUN chown nextjs:nodejs apps/sample-website/.next
+RUN mkdir -p apps/sample-website/.next && chown nextjs:nodejs apps/sample-website/.next
 
 # Copy standalone output and static files from the monorepo path
 COPY --from=builder --chown=nextjs:nodejs /app/apps/sample-website/.next/standalone ./
@@ -44,10 +34,5 @@ COPY --from=builder --chown=nextjs:nodejs /app/apps/sample-website/.next/static
 
 USER nextjs
 
-EXPOSE 3000
-
-ENV PORT=3000
-ENV HOSTNAME="0.0.0.0"
-
 # server.js in monorepo standalone is created for each app
 CMD ["node", "apps/sample-website/server.js"]