Getting Started with the Micronaut® Framework
summary
Micronaut is a compile-time Java framework that uses annotation processors, KAPT/KSP and AST transforms to generate DI, serializers and precomputed repository queries so the runtime avoids proxies and reflection. It supports Java 17 baseline (Java 21 ready), Java/Kotlin/Groovy, Micronaut Data JPA and JDBC, AWS/GCP/Azure/OCI integrations, Kafka/NATS/MQTT/Rabbit, Spock and JUnit5 testing, and generates GraalVM native images to reach sub-second startup and no runtime reflection with footprints claimed as low as 10 MB.
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chapters (9)
- 0:00Introduction to Micronaut
- 3:04Framework design and compile-time approach
- 10:15Key features and modules overview
- 11:19Project generator and Groovy demo
- 14:40Building a simple controller
- 16:54Testing with Spock and dependency injection
- 21:13Configuration and validation
- 24:25Why choose Micronaut
- 28:59Reactive programming and virtual threads
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