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Kubernetes for Developers: Pods, Deployments, and Service Discovery
A developer-friendly Kubernetes guide covering pods, deployments, services, configuration, health checks, resources, rollouts, and common mistakes.
GraphQL API Design: Schemas, Resolvers, and Production Trade-Offs
Learn GraphQL API design through schemas, queries, mutations, resolvers, pagination, authorization, caching, limits, and production trade-offs.
Event-Driven Architecture: Events, Queues, and Reliable Consumers
Understand event-driven architecture, queues, pub-sub, consumer retries, ordering, idempotency, outbox publishing, and operational trade-offs.
OpenTelemetry for Full-Stack Observability
Learn how traces, metrics, and logs work together with OpenTelemetry to debug distributed applications and measure real user workflows.
How to Design a Useful Developer Portfolio Project
Choose, build, document, test, and present a developer portfolio project that demonstrates real engineering judgment.
Feature Flags for Safer Software Releases
Learn how feature flags support gradual releases, kill switches, testing, ownership, and cleanup without becoming permanent complexity.
Build a Production-Ready File Upload Pipeline
Design secure file uploads with validation, object storage, virus scanning, signed URLs, metadata, quotas, processing jobs, and safe delivery.
Database Transactions and Isolation Levels Explained
Understand transactions, ACID behavior, isolation levels, locking, retries, and safe multi-step database operations.
Redis Caching Patterns: TTLs, Invalidation, and Failure Modes
A practical guide to Redis caching patterns, cache-aside design, TTLs, invalidation, stampede protection, consistency, and observability.
Build Better APIs with Contract Testing and OpenAPI
Learn how OpenAPI and contract testing keep API producers and consumers compatible across services, teams, and deployment cycles.