1582 articles
Build federated GraphQL APIs across microservices. Learn Apollo Federation architecture, @key and @external directives, entity resolution, router configuration, performance with DataLoader, query planning, cost limits, and observability.
Build production gRPC services in Node.js. Learn Protocol Buffer schema design, server setup with @grpc/grpc-js, unary and streaming communication, interceptors for auth/logging, grpc-gateway for REST compatibility, health checking, and reflection for debugging.
gRPC streaming types: server→client for real-time data, client→server for uploads, bidirectional for chat. Binary, low-latency, flow-controlled, and better than REST.
The incident was bad. Someone deployed bad code. Someone missed the alert. Someone made a wrong call at 2 AM. A blame postmortem finds the guilty person. A blameless postmortem finds the system conditions that made the failure possible — and actually prevents the next one.
The alert fires. You''re the most senior engineer available. The site is down. Users are affected. Your team is waiting for direction. What do you actually do in the first 10 minutes — and what does good incident command look like vs. what most teams actually do?