Microservices Architecture · Saudi Arabia

Monolith to
Microservices

Monolithic applications block AI adoption, independent scaling, and Vision 2030 digital agility. Crux decomposes your monolith into independent, AI-ready microservices — without disrupting operations.

Start Migration Migration Patterns
Strangler Fig
Safe incremental migration
Domain-Driven
Business-aligned services
Event-Driven
Async service communication
PDPL Compliant
Saudi data governance
Monolithic Application
Auth
Orders
Billing
Inventory
Notify
Reports
Search
Users
Admin
1 deploy · all-or-nothing · no scaling
CRUX MIGRATION
Auth Service
Port 3001
Order Service
Port 3002
Billing API
Port 3003
Inventory
Port 3004
Notification
Port 3005
Analytics AI
Port 3006
Independent deploys · Per-service scaling · AI-ready
Legacy monolith
Extracted service
AI-enabled service
8x
Deployment Speed
Independent service deployments enable 8x faster release cycles versus monolithic release processes
40%
Cost Reduction
Per-service scaling eliminates over-provisioning — enterprises pay only for the compute each service actually uses
6 Wks
First Extraction
Strangler-fig approach delivers first independent microservice live in production from week 6 of the programme
AI-Ready
Architecture
Each extracted microservice is designed with AI integration points — enabling model embedding per domain service
Why Microservices

Four reasons Saudi enterprises decompose their monoliths.

Monolithic applications were built for a world where software changed slowly, AI did not exist, and scaling meant buying bigger servers. That world is gone. Saudi Vision 2030 demands digital platforms that can evolve at speed.

Microservices unlock the capability to embed AI models into individual business domains, deploy changes independently, scale specific services under load, and rebuild parts of the platform without touching everything else.

Independent Deployment

Release any service without coordinating a full application deployment — 8x faster delivery cycles.

AI Model Embedding

Attach AI models to specific services — recommendation engine to the product service, fraud AI to payment.

Per-Service Scaling

Scale only the services under load — authentication during peak login, analytics during reporting periods.

Technology Freedom

Each service chooses the best technology — Python for AI services, Go for high-throughput, Node for real-time.

Migration Patterns

Three proven
migration patterns.

Strangler Fig Pattern

The safest migration path — progressively build new microservices alongside the monolith, routing traffic incrementally until the monolith is completely replaced. Zero disruption. Used for business-critical systems.

Safest approachZero disruption
Anti-Corruption Layer

Wrap the monolith with modern APIs that expose its functionality to new systems — enabling AI integration and partner connectivity without touching internal monolith code. Fast value delivery.

Fast integrationNo code changes
Domain-Driven Decomposition

Identify natural business domain boundaries using DDD techniques — design microservices that map to real business capabilities. Produces services that are maintainable, testable, and aligned with business language.

DDD approachBusiness-aligned
Service Capabilities

End-to-end microservices engineering.

Domain Boundary Identification

Map your application to real business domains using domain-driven design — defining which capabilities belong in which service before writing a single line of code.

API Gateway Design

Design and build the API gateway layer that routes requests to the appropriate microservice — with rate limiting, authentication, load balancing and observability built in.

Service Communication Patterns

Design asynchronous event-driven communication between services using Apache Kafka or RabbitMQ — preventing tight coupling and enabling reliable service-to-service data flow.

Container and Kubernetes Deployment

Package each microservice as a Docker container and orchestrate with Kubernetes — deployed to AWS Saudi or Azure KSA with auto-scaling and zero-downtime deployments.

Service Mesh and Observability

Implement service mesh (Istio) for mTLS communication between services, distributed tracing with Jaeger, and unified logging across the entire microservices platform.

AI Integration Points

Each microservice is designed with an AI integration interface — enabling you to attach ML models, recommendation engines or automation layers to any business service independently.

FAQ

Microservices migration questions answered.

QWhat is monolith to microservices migration in Saudi Arabia?
Monolith to microservices migration involves decomposing large monolithic enterprise applications into independent, loosely-coupled services. Each service handles a specific business capability, can be deployed independently, and scaled separately — enabling AI integration and Vision 2030 digital transformation.
QHow long does microservices migration take?
A typical migration takes 20-40 weeks. Crux uses the strangler-fig pattern — progressively extracting services without disrupting the running monolith, delivering value incrementally from week 6 onwards.
QWhy do Saudi enterprises need microservices architecture?
Vision 2030 demands rapid digital innovation, AI system integration, and elastic scaling. Monolithic applications cannot support this. Microservices enable independent deployment, per-service AI model embedding, and the horizontal scaling needed for Saudi national digital ambitions.
QIs microservices migration risky?
The risk is manageable with the right migration pattern. Crux uses strangler-fig migration — the monolith continues running throughout. New services are extracted progressively and traffic is routed incrementally, so there is no single risky cutover event.
"
Our monolithic platform blocked every AI initiative we tried. Crux extracted the order and pricing domains first — those two services alone cut our deployment time from 4 days to 4 hours. The rest followed.
VP
VP of Engineering
Saudi Retail Platform · Jeddah, KSA
26wk
Migration
Faster deploys
6
Services extracted
Begin Migration

Break free from
your monolith.

Saudi-based delivery. AI-ready architecture. Zero disruption migration. Crux decomposes your monolith into scalable, independent services that support Vision 2030 digital transformation.

Get Architecture Assessment All Services