Vault’s AppRole auth method gives microservices short‑lived tokens without storing long‑term credentials. This guide walks through creating a role, generating and rotating Secret IDs, verifying token policies, and lists key trade‑offs and a production checklist.
Discover how to expose Moleculer service metrics to Prometheus with built‑in middleware, extend them with custom gauges, and balance security and performance. A step‑by‑step guide with code snippets and best‑practice trade‑offs.
Design a distributed semaphore using Redis and Lua scripts to enforce a global concurrency limit across microservices. The article covers requirements, minimal design, trust boundaries, operational checks, failure modes, and when to adjust the architecture.
Learn how to use UML Sequence Diagrams to map microservices choreography, distinguishing between synchronous and asynchronous calls to prevent distributed system bottlenecks.
When building microservices with Moleculer, deciding how to handle API evolution matters. This guide compares the built‑in version property, name‑based versioning, and custom middleware approaches, then walks through a concrete example and how to verify it works.
Architectural Trade-off for Service Communication When deploying a Moleculer-based microservice architecture, the choice of transporter determines how nodes discover each other and handle request routing. For environments where minimizing external infrastructure is a primary constraint, the built-in TCP transporter is often considered to avoid the operationa
Laravel Package Compatibility Failures in Lumen Microservices When migrating a low-traffic API to Lumen to reduce infrastructure costs, developers encounter failures when installing Laravel ecosystem packages that assume the full framework's service container and bootstrapping sequence. Lumen's stripped-down container omits several core service providers—suc