Learn Enterprise Camunda 8

Menetapkan scope, learning contract, batas sistem, production-grade bar, dan mental model utama sebelum mulai membangun CPQ/OMS enterprise-grade.

Enterprise Commerce Domain Map

20 min

Memetakan domain enterprise commerce dari catalog, configuration, pricing, quote, approval, order, fulfillment, asset, billing trigger, audit, dan integration boundary.

CPQ vs OMS vs CRM vs ERP Boundaries

21 min

Memisahkan boundary CPQ, OMS, CRM, ERP, billing, provisioning, inventory, payment, dan contract system agar ownership data, state, command, event, dan audit tidak bercampur.

Production Grade Reference Architecture

Mendesain reference architecture production-grade untuk platform CPQ/OMS: API layer, domain services, orchestration, PostgreSQL, Kafka, Redis, Camunda 8, integration adapters, audit, observability, dan operating model.

Product Catalog Domain Model

Mendesain product catalog domain model untuk enterprise CPQ/OMS: product specification, product offering, product offering price, characteristic, relationship, lifecycle, versioning, compatibility, dan governance.

Commercial vs Technical Catalog

Memisahkan commercial catalog dan technical catalog dalam enterprise CPQ/OMS: apa yang dijual, apa yang dipenuhi, mapping, decomposition, fulfillment impact, versioning, dan anti-corruption boundary.

Product Configuration Engine Model

21 min

Mendesain product configuration engine untuk enterprise CPQ/OMS: configuration graph, constraint model, compatibility, cardinality, validation pass, explainability, snapshotting, API contract, persistence, dan failure model.

Pricing Domain Model

Mendesain pricing domain model untuk enterprise CPQ: charge model, base price, recurring/one-time/usage charge, discount, promotion, override, tax placeholder, rounding, price snapshot, explainability, PostgreSQL schema, MyBatis mapper, API contract, dan failure model.

Quote Domain Model

Mendesain quote domain model untuk enterprise CPQ: quote aggregate, quote item, configuration snapshot, price snapshot, customer context, validity, approval, revision, concurrency, idempotency, audit, PostgreSQL schema, MyBatis mapper, API contract, dan conversion boundary menuju order.

Order Domain Model

Mendesain order domain model untuk enterprise OMS: order aggregate, order item, action type, fulfillment state, decomposition readiness, dependency, amendment, cancellation, installed base impact, PostgreSQL schema, MyBatis mapper, API contract, Kafka events, Camunda boundary, dan failure model.

Asset and Subscription Model

Mendesain installed base, asset, subscription, product instance, service instance, dan relationship-nya dengan order management untuk enterprise CPQ/OMS yang mendukung add, modify, disconnect, move, renewal, amendment, audit, dan long-lived customer ownership.

Domain Invariants and State Machines

9 min

Merancang domain invariants dan state machines untuk catalog, configuration, pricing, quote, approval, order, fulfillment, asset, subscription, cancellation, compensation, dan exception recovery agar CPQ/OMS enterprise tetap konsisten di bawah concurrency, workflow orchestration, event streaming, dan integrasi eksternal.

API First and Schema First Strategy

Menyusun strategi OpenAPI First dan Schema First untuk CPQ/OMS enterprise: contract ownership, schema governance, compatibility, generated artifacts, validation pipeline, documentation, testing, dan change management agar API tidak bergantung pada kebetulan implementasi Java.

Resource Modelling for CPQ OMS APIs

Mendesain resource model API untuk catalog, configuration, pricing, quote, approval, order, fulfillment, asset, dan operational APIs agar kontrak HTTP merepresentasikan business capability, bukan sekadar CRUD table atau remote method Java.

OpenAPI Structure, Error Model, and Pagination

Mendesain struktur OpenAPI production-grade untuk CPQ/OMS: reusable components, request/response model, RFC 9457-style problem details, pagination, filtering, sorting, idempotency, correlation ID, optimistic concurrency, dan async command response.

JSON Schema Domain Contracts

Mendesain JSON Schema domain contracts untuk CPQ/OMS: product configuration, quote item, price item, order item, state transition command, audit event, integration event, validation boundary, schema versioning, dan compatibility strategy.

API Versioning and Backward Compatibility

Mendesain API versioning dan backward compatibility untuk enterprise CPQ/OMS: semantic compatibility, OpenAPI diff, schema evolution, event compatibility, workflow compatibility, deprecation, rollout, dan Java implementation boundary.

TM Forum Inspired API Mapping

Memetakan API CPQ/OMS enterprise dengan inspirasi TM Forum Open APIs: TMF620 Product Catalog, TMF648 Quote, TMF622 Product Ordering, TMF663 Shopping Cart, TMF637 Product Inventory, TMF641 Service Ordering, anti-corruption layer, canonical model, dan adaptation strategy.

Jakarta REST, Jersey, and GlassFish Baseline

Membangun baseline runtime Jakarta REST/JAX-RS, Jersey, dan GlassFish untuk service CPQ/OMS production-grade: request lifecycle, resource boundary, filters, providers, exception mapper, validation, correlation, security context, deployment, dan operational endpoint.

Service Packaging and Module Structure

Mendesain packaging dan module structure production-grade untuk service CPQ/OMS Java: Maven multi-module, WAR di GlassFish, worker/service deployable, domain/application/persistence separation, generated API contracts, dependency rules, configuration, migration, dan test fixtures.

Request Validation and Error Handling

Mendesain request validation dan error handling production-grade untuk CPQ/OMS Java: pipeline validasi, JSON Schema, Jakarta Validation, semantic validation, domain invariant, error taxonomy, problem detail, JAX-RS ExceptionMapper, deterministic response, dan test matrix.

Authentication Authorization and Tenant Context

10 min

Mendesain authentication, authorization, dan tenant context untuk CPQ/OMS enterprise: identity boundary, OAuth2/JWT, service-to-service trust, RBAC/ABAC, tenant isolation, permission evaluator, JAX-RS filters, MyBatis scoping, Kafka/Camunda propagation, audit, dan failure modelling.

Idempotency Concurrency and Retry Safety

Mendesain idempotency, concurrency control, dan retry safety untuk command bisnis CPQ/OMS enterprise: request idempotency, command identity, optimistic locking, unique constraint, PostgreSQL transaction, JAX-RS filter, MyBatis update guard, Kafka/Camunda retry, external integration idempotency, dan failure modelling.

PostgreSQL Data Modeling for CPQ OMS

Mendesain PostgreSQL data model production-grade untuk CPQ/OMS: tenant-scoped schema, catalog tables, quote/order aggregates, asset/subscription, fulfillment plan, workflow references, outbox/inbox, idempotency, audit, JSONB snapshot, indexes, constraints, migration boundary, dan MyBatis persistence direction.

MyBatis Mapper Design

Mendesain MyBatis mapper production-grade untuk CPQ/OMS: explicit SQL, mapper boundary, resultMap, dynamic SQL, query object, aggregate loading, optimistic update, JSONB type handler, pagination, transaction ownership, testing, dan failure mode.

Aggregate Persistence Patterns

Mendesain aggregate persistence patterns untuk quote dan order: load/save aggregate, snapshot, child collection mutation, versioning, audit, outbox, transaction script vs domain method, repository orchestration, consistency checking, dan repair-safe persistence.

Transaction Boundaries and Unit of Work

Transaction boundary, unit of work, database consistency, outbox coupling, idempotency, and safe command execution model for an enterprise CPQ/OMS platform.

Query Models, Search, and Operational Views

Query models, search APIs, read projections, operational dashboards, customer timeline, audit explorer, and reporting-safe views for enterprise CPQ/OMS.

Database Migration, Seeding, and Reference Data

Database migration strategy, reference data governance, seed data, tenant bootstrap, data repair, and release-safe PostgreSQL evolution for enterprise CPQ/OMS.

Product Configuration Engine From Scratch

Building a deterministic, explainable, production-oriented product configuration engine from scratch for enterprise CPQ using catalog graph, rules, validation, snapshots, and Java service boundaries.

Pricing Engine From Scratch

Building an explainable, deterministic, production-grade pricing engine from scratch for enterprise CPQ with charge resolution, discounts, promotions, overrides, approval signals, snapshots, PostgreSQL persistence, MyBatis mappers, Redis cache, Kafka events, and Java service boundaries.

Quote Lifecycle Implementation

9 min

Implementing the enterprise quote lifecycle from scratch with aggregate commands, state transitions, configuration snapshots, price snapshots, approval readiness, idempotent command handling, PostgreSQL persistence, MyBatis mappers, JAX-RS APIs, outbox events, and audit evidence.

Approval Engine and Policy Model

Mendesain approval engine dan policy model untuk CPQ enterprise: price override approval, margin approval, non-standard term approval, escalation, delegation, SLA, audit evidence, Camunda boundary, PostgreSQL persistence, MyBatis mapper, Kafka event, dan failure model.

Quote to Order Conversion

Mendesain dan mengimplementasikan quote-to-order conversion pipeline production-grade: immutable quote snapshot, approval freeze, idempotent conversion, order aggregate creation, item mapping, decomposition input, outbox event, transaction boundary, audit, and failure recovery.

Order Capture and Validation

Mendesain dan mengimplementasikan order capture serta validation gateway untuk enterprise OMS: direct order, quote-derived order, amendment, cancellation, idempotency, validation pipeline, source-of-truth persistence, outbox event, dan Camunda boundary.

Order Decomposition Engine

Mendesain order decomposition engine dari nol: mengubah commercial order item menjadi technical fulfillment plan, task graph, dependency, action mapping, decomposition snapshot, PostgreSQL persistence, MyBatis mapper, Kafka event, dan Camunda boundary.

Fulfillment Plan and Task Model

Mendesain fulfillment plan dan fulfillment task model yang executable, traceable, retry-safe, compensation-aware, dan siap dijalankan oleh Camunda 8 job worker tanpa membuat workflow engine menjadi source of truth domain.

Order State Machine and Fallout Management

Mendesain order state machine dan fallout management production-grade: order status, item status, fulfillment status, failure taxonomy, manual repair, compensation, reconciliation, audit, operational queue, dan safe recovery.

Cancellation, Amendment, and Supplemental Orders

Cancellation, amendment, and supplemental order design for a production-grade enterprise OMS, including commercial intent, fulfillment impact, state safety, compensation, audit, and implementation boundaries.

Camunda 8 Architecture for OMS

Camunda 8 and Zeebe architecture for OMS orchestration, including process ownership, job workers, variables, incidents, retries, BPMN boundaries, PostgreSQL source of truth, Kafka integration, and production safety.

BPMN Model for Quote Approval

Designing a production-grade Camunda 8 BPMN model for quote approval, including approval case boundaries, user tasks, timers, escalation, policy evidence, rejection/revision flow, idempotent workers, PostgreSQL synchronization, Kafka events, and operational recovery.

BPMN Model for Order Fulfillment

Designing a production-grade Camunda 8 BPMN model for order fulfillment, including fulfillment plan orchestration, task execution, service workers, message correlation, timers, compensation, fallout, manual intervention, PostgreSQL synchronization, Kafka events, and operational recovery.

Zeebe Worker Design in Java

Mendesain Zeebe worker Java untuk Camunda 8 yang idempotent, observable, retry-safe, dan terhubung benar dengan domain service CPQ/OMS.

Workflow Versioning and Migration

Mendesain strategi workflow versioning dan process instance migration untuk Camunda 8 pada long-running CPQ/OMS process.

Event Driven Architecture for CPQ OMS

21 min

Mendesain event-driven architecture untuk CPQ dan OMS: event taxonomy, topic boundary, ownership, ordering, idempotency, event lifecycle, Kafka integration, audit, observability, dan failure model.

Transactional Outbox and Inbox Pattern

Mengimplementasikan transactional outbox dan inbox pattern untuk CPQ/OMS: schema PostgreSQL, relay design, Kafka publishing, consumer deduplication, retry, DLQ, reconciliation, observability, dan Java/MyBatis implementation.

Kafka Topic Design and Message Contracts

Mendesain Kafka topic dan message contracts untuk CPQ/OMS production-grade: topic taxonomy, partition key, ordering guarantee, schema evolution, envelope, headers, payload design, DLQ, replay, retention, security, dan governance.

Integration Adapters for External Systems

Membangun integration adapters untuk external systems dalam CPQ/OMS: anti-corruption layer, CRM, billing, provisioning, inventory, payment, notification, document generation, partner API, idempotency, retry, reconciliation, evidence, dan operational recovery.

Saga, Compensation, and Distributed Consistency

Mendesain saga, compensation, dan distributed consistency untuk CPQ/OMS production-grade: local transaction, orchestration, choreography boundary, compensation, timeout, reconciliation, repair, audit, idempotency, dan failure modelling.

Redis for Cache, Session, and Runtime State

Mendesain penggunaan Redis untuk CPQ/OMS production-grade: catalog cache, pricing cache, session support, idempotency acceleration, rate limiting, short-lived locks, runtime state, key design, TTL, invalidation, safety boundary, dan failure modes.

Cache Coherency and Staleness Control

Cache coherency, staleness control, invalidation strategy, TTL policy, versioned Redis keys, and production-safe caching for enterprise CPQ/OMS.

Observability, Logging, Metrics, and Tracing

Production-grade observability for CPQ/OMS using structured logs, metrics, traces, correlation IDs, business timelines, OpenTelemetry, and operational dashboards.

Resilience, Timeout, Retry, and Circuit Breaker

Production-grade resilience design for CPQ/OMS: timeout budgets, retries, circuit breakers, bulkheads, fallbacks, rate limits, degradation, and failure containment across JAX-RS, PostgreSQL, Kafka, Redis, Camunda 8, and external integrations.

Security, Audit, and Compliance Defensibility

Security, audit, and compliance defensibility for enterprise CPQ/OMS: access control, data protection, audit evidence, tamper resistance, approval proof, price override evidence, order lifecycle traceability, and regulatory-grade operational control.

Performance, Capacity, and Load Testing

22 min

Performance, capacity, and load testing strategy for enterprise CPQ/OMS: latency budget, throughput model, workload profiles, PostgreSQL query tuning, Kafka lag, Camunda worker throughput, Redis cache efficiency, GlassFish/JAX-RS runtime behavior, and production-grade test execution.

Deployment Topology and Environment Strategy

20 min

Deployment topology and environment strategy for enterprise CPQ/OMS: local development, integration, staging, production, GlassFish WAR deployment, worker JAR deployment, PostgreSQL, Kafka, Redis, Camunda 8, configuration, secrets, migrations, release promotion, rollback, and disaster recovery.

Testing Strategy for Enterprise CPQ/OMS

Testing strategy untuk enterprise-grade CPQ/OMS: unit, domain, mapper, API contract, schema, workflow, event, integration, resilience, data migration, security, performance, dan production regression safety.

CI/CD Quality Gates and Release Safety

CI/CD quality gates dan release safety untuk enterprise CPQ/OMS: build pipeline, contract checks, migration validation, test stages, security gates, artifact promotion, deployment safety, rollback, rollout, smoke test, dan release governance.

Runbook, Operations, and Production Support

23 min

Runbook operations dan production support untuk enterprise CPQ/OMS: stuck quote, stuck order, Camunda incident, Kafka lag, database lock, duplicate event, failed integration, failed compensation, manual repair, reconciliation, dan incident learning loop.

Final Architecture Review and Extension Roadmap