The Engineering Blog

Up to 35% of cloud spending is wasted. Learn 10 actionable strategies to cut your AWS costs — from right-sizing and Savings Plans to killing orphaned resources and automating schedules.

Discover what serverless is, how it works, its advantages and limitations, and why it is transforming the way we build software in 2026.

Master advanced OpenCode configuration: AI providers, MCP servers, permission system, native LSP, and environment variables for teams.

Learn how to create reusable Skills, Custom Agents, and Custom Commands in OpenCode to automate your development workflow.

Learn what OpenCode is, the open-source AI coding assistant for the terminal, how to install it on your system, and take your first steps with its built-in agents.

AMD dominates gaming, Apple leads in efficiency, and Intel bets on AI. We analyze benchmarks, prices, and recommendations for every type of user in April 2026.

Complete your JWT course with custom claims, RBAC with @PreAuthorize, RS256 signing, OWASP hardening, rate limiting, security auditing, comprehensive testing, and environment-specific configuration for production Spring Boot 3 applications.

Learn how to implement instant JWT revocation using JTI claims and Redis blacklisting in Spring Boot 3. Build a complete token revocation system with real logout, password-change invalidation, and production monitoring.

Learn how to implement refresh tokens with secure rotation in Spring Boot 3. Build a complete token refresh flow with JPA entities, reuse detection, HttpOnly cookies, and production-ready error handling.

Learn JWT authentication from scratch with Spring Boot 3.2 and Spring Security 6. Part 1 covers JWT fundamentals, project setup, token generation with JJWT 0.12, security filters, and building login/register endpoints.