Bootiful Spring Boot 3
summary
Quick demo builds a JDBC-backed H2 service (schema.sql + data.sql) with actuator metrics and RFC Problem Details, then shows a declarative HTTP client interface and a Spring Cloud Gateway proxy. Uses Spring Boot 3.0 and Spring Framework 6 features: the unified Micrometer Observation API for metrics/tracing and GraphQL with batch mapping to avoid N+1. Shows AOT work for GraalVM native image that boots in ~80 ms and uses ~100 MB RAM; AOT automates reflection config.
AI-written summary · about
chapters (11)
- 0:00Introduction and welcome
- 2:26Spring Boot 3 overview
- 6:42Creating a new Spring Boot project
- 13:26Building a database-backed service
- 18:19Error handling with Problem Details
- 21:11Observability with Micrometer
- 25:27Preparing for production
- 32:31AOT compilation with GraalVM
- 41:15Building a client application
- 45:07GraphQL integration
- 53:57Resources and closing
