// Domain-Driven Event-Sourced Architecture
export class TenantDomainService {
  async executeMilestone(tenantId: string, payload: EventPayload) {
    await this.rbac.assertPermission(tenantId, "SYSTEM_EXECUTE");
    await this.auditLog.persist({ tenantId, timestamp: Date.now() });

    return await this.workerQueue.dispatch("event_stream", {
      tenantId,
      payload,
      retryLimit: 3,
    });
  }
}

// Incremental Static Regeneration with Instant Webhooks
export const revalidate = 60; // 60s background revalidation

export async function generateStaticParams() {
  const slugs = await sanityClient.fetch(`*[_type == "post"].slug.current`);
  return slugs.map((slug) => ({ slug }));
}

export async function Page({ params }: { params: { slug: string } }) {
  const data = await fetchCachedArticle(params.slug);
  return <ArticleLayout post={data} />;
}

# Immutable Infrastructure as Code (Terraform)
resource "aws_ecs_cluster" "production" {
  name = "crescaler-prod-cluster"

  setting {
    name  = "containerInsights"
    value = "enabled"
  }
}

resource "aws_autoscaling_policy" "target_tracking" {
  name                   = "cpu-target-tracking"
  policy_type            = "TargetTrackingScaling"
  target_cpu_utilization = 75.0
}

// End-to-End Type-Safe tRPC & Distributed Redis Cache
export const appRouter = router({
  getTelemetryStream: protectedProcedure
    .input(z.object({ serviceId: z.string().uuid() }))
    .query(async ({ ctx, input }) => {
      const cacheKey = `telemetry:${input.serviceId}`;
      return await redis.cached(cacheKey, 60, async () => {
        return await ctx.db.telemetry.findMany({
          where: { serviceId: input.serviceId },
          orderBy: { timestamp: "desc" },
          take: 50,
        });
      });
    }),
});