README

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Basics

• which IDE? IntelliJ, VSCode, and Eclipse
• your choice of Java: GraalVM
• start.spring.io, an API, website, and an IDE wizard
• Devtools
• Docker Compose
• Testcontainers
• banner.txt

Development Desk Check

• the Spring JavaFormat Plugin
  • Python, gofmt, your favorite IDE, and
• the power of environment variables
• SDKMAN
  • .sdkman
• direnv
  • .envrc
• a good password manager for secrets

Data Oriented Programming in Java 21+

• an example

Beans

• dependency injection from first principles
• bean configuration
• XML
• stereotype annotations
• lifecycle
  • BeanPostProcessor
  • BeanFactoryPostProcessor
• auto configuration
• AOP
• Spring's event publisher
• configuration and the Environment
• configuration processor

AOT & GraalVM

• installing GraalVM
• GraalVM native images
• basics
• AOT lifecycles

Scalability

• non-blocking IO
• virtual threads
• José Paumard's demo
• Cora Iberkleid's demo

Cloud Native Java (with Kubernetes)

• graceful shutdown
• ConfigMap and you
• Buildpacks and Docker support
• Actuator readiness and liveness probes

Data

• JdbcClient
• SQL Initialization
• Flyway
• Spring Data JDBC

Web Programming

• clients: RestTemplate, RestClient, declarative interface clients
• REST
  • controllers
  • functional style
• GraphQL
  • batches

Architecting for Modularity

• Privacy
• Spring Modulith
• Externalized messages
• Testing

Batch Processing

• Spring Batch
• load some data from a CSV file to a SQL database

Microservices

• centralized configuration
• API gateways
  • reactive or not reactive
• event bus and refreshable configuration
• service registration and discovery

Messaging and Integration

• "What do you mean by Event Driven?"
• Messaging Technologies like RabbitMQ or Apache Kafka
• Spring Integration
• files to events

Kafka

• a look at Spring for Apache Kafka
• Spring Integration
• Spring Cloud Stream
• Spring Cloud Stream Kafka Streams

Security

• adding form login to an application
• authentication
• authorization
• passkeys
• one time tokens
• OAuth
  • the Spring Authorizatinm Server
  • OAuth clients
  • OAuth resource servers
  • protecting messaging code

Q&A

• I may not know, but I probably know who does know...