Comprehensive tutorials from foundational through advanced concepts
History, motivation, paradigm shift
Boot features that solve Spring problems
Bootstrap configuration
Why use Boot vs traditional Spring
Auto-config, starters, embedded servers
Comparison, benefits
Detailed architectural differences
Externalized configuration
@EnableAutoConfiguration, conditional
Starting new projects quickly
Starter dependencies explained
Command-line rapid development
Environment-specific configs
YAML vs properties deep dive
Tomcat, Jetty, Undertow
Building REST APIs
Repositories, CRUD operations
Auto-generate REST endpoints
Authentication, authorization
Managing dependencies, BOM
Spring Container, bean lifecycle
@Transactional, ACID, isolation
Processing large datasets
Global handlers, error responses
Unit, integration, E2E testing
SLF4J, Logback, structured logging
Integration testing at scale
Actuator, custom metrics
Building custom monitoring
Component discovery patterns
Live reload & development
Background tasks, scheduled jobs
Pub-sub, async processing
Redis, cache invalidation
@Scheduled, cron expressions