#Practical Guide
13 posts
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Spring Boot Practical Guide Part 7: Logging Strategy and Practice
From SLF4J, Logback, Log4j2 comparison to structured logging, MDC, and centralized log management
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Spring Boot Practical Guide Part 6: Monitoring and Observability
Real-time system monitoring with Prometheus, Grafana, and custom metrics
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Spring Boot Practical Guide Part 5: Database Optimization
Handling large-scale data with index design, cursor-based pagination, and Read Replicas
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Spring Boot Practical Guide Part 4: Resilience Patterns
Building fault-tolerant systems with Circuit Breaker, Rate Limiter, and Bulkhead
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Spring Boot Practical Guide Part 3: Event-Driven Architecture
Building a reliable event system with Kafka and the Outbox pattern
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Spring Boot Practical Guide Part 2: Caching Strategy and Redis
A complete caching guide from Cache-Aside pattern to cache problem resolution, ready to apply in production
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Spring Boot Practical Guide Part 1: Concurrency Control and Inventory Management
A practical guide to solving concurrency issues with atomic UPDATEs and idempotency keys
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Spring Boot Pre-Interview Guide: Comprehensive Assignment
Spring Boot-based online marketplace REST API comprehensive assignment — from product, order, and member domain design to testing and deployment
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Spring Boot Pre-Interview Guide Part 7: Advanced Patterns
Advanced patterns and architecture — events, async processing, file handling, and multi-module
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Spring Boot Pre-Interview Guide Part 6: DevOps & Deployment
Deployment environment setup and CI/CD — Docker, GitHub Actions, and Actuator
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Spring Boot Pre-Interview Guide Part 5: Security & Authentication
Authentication/authorization and security configuration — Spring Security, JWT, and role management
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Spring Boot Pre-Interview Guide Part 4: Performance & Optimization
Performance optimization and query tuning — N+1 problem, pagination, and caching strategies
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Spring Boot Pre-Interview Guide Part 1: Core Application Layer — Controller, Service, Repository, Domain
The four-layer design points evaluators repeatedly flag in Spring Boot pre-interview assignments — Controller/Service/Repository/Domain responsibility split, Request → Command conversion, what @Transactional(readOnly=true) actually does, and the three-tier priority of GlobalExceptionHandler. Series Part 1.