Tag: microservices
All the articles with the tag "microservices".
Microservices communication patterns on a real shop: retries, Kafka, the outbox and a saga
Four Spring Boot 4.1 services, Kafka 4.3, Postgres 17 and Debezium 3.7 in Docker Compose. A retry that charges a card three times, an idempotency key that stops it, a circuit breaker, an event lost to a dual write, the outbox that fixes it and a saga that refunds the money, with every command and output.
