https://tanhdev.com/series/composable-commerce-migration/Recent content in Composable Commerce Migration: Magento 2 → Microservices Golang on Lê Tuấn Anh — Go Backend Architect & Microservices EngineerHugoen-usWed, 24 Jun 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-0-executive-summary/Wed, 01 Apr 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-0-executive-summary/The real cost of Magento 2 Enterprise — $125K–200K/year in licensing, scaling limits during flash sales, and PHP module coupling that kills developer velocity. And how a Composable Commerce Platform built on 21 Go microservices replaced it entirely.https://tanhdev.com/series/composable-commerce-migration/part-1-ddd-bounded-contexts/Wed, 08 Apr 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-1-ddd-bounded-contexts/How to map Magento 2's 240+ modules to 21 bounded contexts using Domain-Driven Design — including the counter-intuitive splits: Checkout ≠ Order, Pricing ≠ Promotion, and why 21 services is the right number for this scale.https://tanhdev.com/series/composable-commerce-migration/part-2-rush-monorepo/Wed, 15 Apr 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-2-rush-monorepo/Why Rush beats Nx and Turborepo for a mixed Go + Next.js monorepo: strict dependency governance, PNPM workspaces, incremental CI builds, and TypeScript SDK auto-generated from Go proto definitions.https://tanhdev.com/series/composable-commerce-migration/part-3-golang-kratos/Wed, 22 Apr 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-3-golang-kratos/How Kratos v2 structures a production Go microservice: the 5-layer directory layout, Wire compile-time dependency injection, dual HTTP+gRPC transport, and the common library that eliminates 4,150 lines of boilerplate across 21 services.https://tanhdev.com/series/composable-commerce-migration/part-4-grpc-rest-gateway/Wed, 29 Apr 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-4-grpc-rest-gateway/Service-to-service gRPC communication, proto naming conventions, the Money type that prevents floating-point pricing bugs, cursor pagination, and how the Gateway Service bridges REST clients to internal gRPC services.https://tanhdev.com/series/composable-commerce-migration/part-5-eav-schema-migration/Wed, 06 May 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-5-eav-schema-migration/How to extract Magento's Entity-Attribute-Value schema: the integer→UUID identity mapping problem, why you cannot hardcode attribute IDs, the dynamic SQL pivot pattern, and the exact SQL queries that work in production.https://tanhdev.com/series/composable-commerce-migration/part-6-phase1-strangler-fig/Wed, 13 May 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-6-phase1-strangler-fig/Phase 1 of the 3-phase Magento migration: deploy read-only Go microservices behind the API Gateway, implement Debezium CDC for real-time sync from Magento MySQL (without Kafka), use feature flags for zero-risk traffic routing, and automatic fallback on failure.https://tanhdev.com/series/composable-commerce-migration/part-7-phase2-dual-write/Wed, 20 May 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-7-phase2-dual-write/Enable write APIs on Go microservices while Magento stays live: event-driven dual-write via Dapr PubSub, a 5-policy conflict resolution matrix, magento-sync-adapter, and per-service migration sequence.https://tanhdev.com/series/composable-commerce-migration/part-8-phase3-full-cutover/Wed, 27 May 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-8-phase3-full-cutover/Completing the Magento migration: gradual 25%→100% traffic cutover for Order Service, Magento on hot standby for 30-day rollback window, archive service for one-way sync, and ArgoCD+Kustomize GitOps for all ongoing deployments.https://tanhdev.com/series/composable-commerce-migration/part-9-outbox-saga/Wed, 03 Jun 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-9-outbox-saga/How the Checkout→Order→Payment→Warehouse saga runs with guaranteed-once delivery: the custom PostgreSQL outbox pattern (not Dapr native), choreography-based saga, idempotency keys, compensation transactions, and the circuit breaker resilience layer.https://tanhdev.com/series/composable-commerce-migration/part-10-adr-walkthrough/Wed, 10 Jun 2026 10:00:00 +0700https://tanhdev.com/series/composable-commerce-migration/part-10-adr-walkthrough/Every major technical decision behind the Composable Commerce Platform: why Dapr over Kafka, why Kustomize over Helm, why go-kratos over Gin, why Goose over golang-migrate, and why the founding event-driven decision came 3 months before everything else.