Learn Production Grade Contract-First Java Orchestration Platform

Skill map, studi kasus, batasan seri, dan peta kemampuan untuk membangun platform orkestrasi kasus production-grade dengan Kubernetes, NGINX, Java 17+, JAX-RS/Jersey, Camunda 7, Kafka, PostgreSQL, MyBatis, PL/pgSQL, dan Maven.

Contract-First Architecture

Arsitektur contract-first untuk menyatukan OpenAPI, AsyncAPI, PostgreSQL schema, BPMN Camunda 7, Java DTO/model, MyBatis mapper, Maven build, dan governance perubahan kontrak.

Production Architecture Blueprint

20 min

Blueprint arsitektur produksi end-to-end untuk platform orkestrasi kasus berbasis data contract first menggunakan Kubernetes, NGINX, Java 17+, JAX-RS/Jersey, Camunda 7, Kafka, PostgreSQL, MyBatis, PL/pgSQL, dan Maven.

Domain Model, State, and Workflow Boundaries

Pemodelan domain, state, dan workflow boundary untuk platform orkestrasi kasus production-grade agar domain state, process state, persistence state, event state, audit state, SLA state, dan operational state tidak tercampur.

Repository and Module Topology

18 min

Repository dan Maven module topology untuk platform Java contract-first production-grade, termasuk pemisahan contract, generated code, API, workflow, persistence, eventing, deployment, dan testing module.

HTTP API Contracts with OpenAPI

12 min

Desain kontrak HTTP API production-grade dengan OpenAPI untuk platform case orchestration, termasuk resource modeling, request-response schema, idempotency, error model, pagination, security boundary, compatibility, dan code generation.

Event Contracts with AsyncAPI and Kafka

Desain kontrak event-driven production-grade dengan AsyncAPI dan Kafka untuk platform regulatory case orchestration, termasuk event taxonomy, envelope, topic model, partition key, schema evolution, replay safety, dan consumer contract.

Database Contracts: PostgreSQL First

Desain kontrak database PostgreSQL production-grade untuk platform case orchestration, termasuk schema ownership, table contract, constraints, enum strategy, migration compatibility, function contract, audit, outbox, inbox, dan defensible data model.

BPMN Contracts with Camunda 7

Desain BPMN contract production-grade menggunakan Camunda 7 untuk regulatory enforcement case platform, mencakup process key, versioning, process variables, task contract, message correlation, business key, incident semantics, dan boundary dengan API, Kafka, serta PostgreSQL.

Cross-Contract Consistency

Cara menjaga konsistensi lintas OpenAPI, AsyncAPI, BPMN Camunda 7, PostgreSQL schema, Java DTO, MyBatis mapper, Kafka payload, error model, idempotency, dan observability agar contract-first architecture tidak berubah menjadi kumpulan kontrak yang saling bertentangan.

Java 17+ Runtime Foundation

17 min

Fondasi runtime Java SE 17+ untuk membangun platform orchestration production-grade berbasis contract-first: type system, records, sealed types, domain primitives, time handling, concurrency boundary, configuration, serialization, dan runtime discipline.

Error Modeling and Result Types

Model error production-grade untuk platform Java contract-first: result type, domain error, validation error, transport error, database SQLSTATE, Kafka retry/DLQ, Camunda BPMN error vs incident, dan mapping lintas boundary.

Maven Production Build System

Maven production build system untuk platform Java contract-first: parent POM, BOM, multi-module reactor, dependencyManagement, pluginManagement, reproducible build, generated sources, test lifecycle, CI gates, dan release discipline.

Code Generation Contract Pipeline

Pipeline code generation contract-first untuk OpenAPI, AsyncAPI, JSON Schema, JAX-RS/Jersey, Kafka payload, Java DTO, mapping domain, Maven lifecycle, generated source hygiene, compatibility checks, dan CI enforcement.

Configuration, Secrets, and Runtime Profiles

12 min

Configuration, secrets, runtime profiles, Kubernetes ConfigMap/Secret mapping, typed Java configuration, environment safety, feature flags, rotation, observability, dan failure model untuk platform orchestration Java production-grade.

Jersey Resource Design

9 min

Desain resource JAX-RS/Jersey production-grade untuk platform contract-first: resource boundary, request pipeline, DTO mapping, filters, providers, exception mappers, validation, response semantics, testability, dan failure model.

HTTP Validation, Idempotency, and Errors

13 min

HTTP validation, idempotency, and error handling untuk platform contract-first: validation taxonomy, Jakarta Validation, Problem Details, idempotency fingerprint, PostgreSQL idempotency table, race condition, retry semantics, dan production failure model.

API Security and Edge-Aware Services

11 min

API security dan edge-aware service design untuk JAX-RS/Jersey di belakang NGINX dan Kubernetes: trust boundary, authentication, authorization, BOLA prevention, trusted proxy headers, mTLS awareness, CORS, rate limiting, request limits, security headers, logging privacy, dan failure model.

API Testing: Contract and Integration

API testing production-grade untuk platform Java/Jersey contract-first: contract test, integration test, negative test, idempotency test, Testcontainers PostgreSQL/Kafka, fixture strategy, CI gates, dan failure model.

PostgreSQL Schema for Case Platform

Desain schema PostgreSQL production-grade untuk regulatory case platform: case core, party, allegation, evidence, task snapshot, audit log, idempotency, outbox, inbox, SLA, constraints, schema ownership, dan migration-aware DDL.

Constraints, Indexes, and Query Shape

17 min

Constraint, index, and query-shape engineering untuk PostgreSQL production-grade regulatory case platform: invariant, access path, pagination, partial index, composite index, covering index, EXPLAIN discipline, dan failure model.

PL/pgSQL for Production Logic

13 min

PL/pgSQL production-grade untuk regulatory case platform: function contract, state transition, audit append, outbox creation, lock discipline, exception mapping, security, migration safety, dan testing.

MyBatis Mapper Design

17 min

MyBatis mapper design untuk regulatory case platform: SQL-first persistence boundary, XML mapper discipline, result mapping, dynamic SQL, type handlers, PostgreSQL integration, PL/pgSQL calls, transaction scope, performance, testing, dan observability.

Transaction, Concurrency, and Locking

Transaction, concurrency, dan locking untuk regulatory case platform: PostgreSQL MVCC, isolation levels, optimistic locking, row locks, SKIP LOCKED, advisory locks, deadlocks, retry discipline, MyBatis transaction boundary, Kafka/Camunda interaction, dan failure drills.

Database Migration and Release Safety

Database migration and release safety untuk platform Java contract-first: expand-contract, zero-downtime schema change, backfill, rollback reality, PL/pgSQL evolution, MyBatis compatibility, dan runbook produksi.

Camunda 7 Process Engine Architecture

Arsitektur Camunda 7 process engine untuk sistem Java production-grade: embedded engine, database persistence, job executor, transaction boundary, deployment model, history, Kubernetes operation, dan failure model.

BPMN Modeling for Case Lifecycle

18 min

BPMN modeling untuk lifecycle regulatory enforcement case: intake, triage, assessment, investigation, escalation, decision, appeal, closure, message correlation, timer SLA, human task, dan failure-safe process design dengan Camunda 7.

Camunda Service Task and Worker Patterns

Pola service task dan worker Camunda 7 production-grade: JavaDelegate, external task, async continuation, retry, BPMN error, incident, idempotency, transaction boundary, dan deterministic process behavior.

Human Task, Authorization, and SLA

Human task, authorization, assignment, SLA, escalation, and audit design for Camunda 7 based regulatory enforcement case platforms.

Camunda Versioning, Migration, and Incident Ops

24 min

Camunda 7 process versioning, process instance migration, incident operations, failed job retry, history cleanup, and production runbook design.

Kafka Topic and Event Modeling

Mendesain topic Kafka, event model, partition key, ordering contract, retention, compaction, schema, dan consumer obligation untuk regulatory enforcement case platform.

Producer Outbox Pattern

13 min

Membangun producer outbox pattern dengan PostgreSQL, MyBatis, Java, dan Kafka agar domain transaction dan event publication konsisten, idempotent, observable, dan recoverable.

Consumer Inbox and Idempotency

Consumer Inbox and Idempotency for Kafka-driven Java services with PostgreSQL, MyBatis, and production-grade failure handling.

Event-Driven Process Integration

Event-driven process integration between Kafka, Camunda 7, PostgreSQL, MyBatis, and Java services with durable correlation, race handling, and recovery.

Containerization and Runtime Image

20 min

Containerization and runtime image design for a Java 17+ contract-first orchestration platform using Maven, Jersey, Camunda 7 integration, Kafka, PostgreSQL, and Kubernetes.

Kubernetes Workload Design

Kubernetes workload design for deploying Java 17+ Jersey, Kafka, PostgreSQL, and Camunda-integrated services with production-grade reliability, probes, resources, rollout, security, and operational behavior.

NGINX Edge and Ingress Design

NGINX edge and Kubernetes Ingress design for a production-grade contract-first Java orchestration platform, covering routing, headers, TLS, timeouts, buffering, rate limiting, security, observability, and failure behavior.

Observability Logging Metrics Tracing

24 min

Observability design for a production-grade contract-first Java orchestration platform, covering structured logging, metrics, tracing, correlation, SLOs, dashboards, alerting, and failure drills across NGINX, Jersey, Kafka, PostgreSQL, Camunda 7, and Kubernetes.

Production Readiness and Failure Drills

Production readiness and failure drill discipline for a contract-first Java orchestration platform using Kubernetes, NGINX, Jersey, Camunda 7, Kafka, PostgreSQL, MyBatis, PL/pgSQL, and Maven.

End-to-End Release and Final System Review