This course offers hands-on experience with the major features of Spring and Spring Boot, which includes configuration, data access, REST, AOP, auto-configuration, actuator, security, and Spring testing framework to build enterprise and microservices applications. On completion, participants will have a foundation for creating enterprise and cloud-ready applications.

By the end of the course, you should be able to meet the following objectives:

• Spring configuration using Java Configuration and Annotations
• Aspect oriented programming with Spring
• Testing Spring applications using JUnit 5
• Spring Data Access - JDBC, JPA and Spring Data
• Spring Transaction Management
• Simplifying application development with Spring Boot
• Spring Boot auto-configuration, starters and properties
• Build a simple REST application using Spring Boot, embedded Web Server and fat JARs or classic WARs
• Implementing REST client applications using RestTemplate
• Utilize Spring Boot enhancements to testing
• Spring Security
• Enable and extend metrics and monitoring capabilities using Spring Boot actuator

• Spring Overview
  • What is the Spring Framework?
  • The DI Container
  • The Spring Framework History and EcoSystem
• 2 Java Configuration
  • Java configuration and the Spring application context
  •  @Configuration and @Bean annotations
  •  @Import: working with multiple configuration files
  • Defining bean scopes
  • Launching a Spring Application and obtaining Beans
• More Java Configuration
  • External properties & Property sources
  • Environment abstraction
  • Using bean profiles
  • Spring Expression Language (SpEL)
• Annotation and Component Scanning
  • Component scanning
  • Autowiring using @Autowired
  • Java configuration versus annotations, mixing.
  • Lifecycle annotations: @PostConstruct and @PreDestroy
  • Stereotypes and meta-annotations
• Inside the Spring Container
  • The Spring Bean Lifecycle
  • The BeanFactoryPostProcessor interception point
  • The BeanPostProcessor interception point
  • Spring Bean Proxies
  • @Bean method return types
• Introducing Aspect-oriented programming
  • What problems does AOP solve?
  • Defining pointcut expressions
  • Implementing various types of advice
• Testing a Spring-based Application
  • Spring and Test-Driven Development
  • Spring 5 integration testing with JUnit 5
  • Application context caching and the @DirtiesContext annotation
  • Profile selection with @ActiveProfiles
  • Easy test data setup with @Sql
• JDBC Simplification with JdbcTemplate
  • How Spring integrates with existing data access technologies
  • Spring‘s JdbcTemplate
  • DataAccessException hierarchy
• Transaction Management with Spring
  • Transaction overview
  • Transaction management with Spring
  • Transaction propagation and rollback rules
  • Transactions and integration testing
• Spring Boot Feature Introduction
  • Introduction to Spring Boot Features
  • Value Proposition of Spring Boot
  • Creating a simple Boot application using Spring Initializer website
• Spring Boot – A closer look
  • Dependency management using Spring Boot starters
  • How auto-configuration works
  • Configuration properties
  • Overriding auto-configuration
  • Using CommandLineRunner
• Spring Boot – Spring Data JPA
  • Quick introduction to ORM with JPA
  • Benefits of using Spring with JPA
  • JPA configuration in Spring
  • Configuring Spring JPA using Spring Boot
  • Spring Data JPA dynamic repositories
• Web Applications with Spring Boot
  • Introduction to Spring MVC and request processing
  • Controller method signatures
  • Using @Controller, @RestController and @GetMapping annotations
  • Configuring Spring MVC with Spring Boot
  • Spring Boot packaging options, JAR or WAR
• RESful Application with Spring Boot
  • An introduction to the REST architectural style
  • Controlling HTTP response codes with @ResponseStatus
  • Implementing REST with Spring MVC, @RequestMapping, @RequestBody and @ResponseBody
  • Spring MVC’s HttpMessageConverters and automatic content negotiation
• Spring Boot Testing
  • Spring Boot testing overview
  • Integration testing using @SpringBootTest
  • Web slice testing with MockMvc framework
  • Slices to test different layers of the application
• Securing REST Application with Spring Security
  • What problems does Spring Security solve?
  • Configuring authentication
  • Implementing authorization by intercepting URLs
  • Authorization at the Java method level
  • Understanding the Spring Security filter chain
  • Spring security testing
• Actuators, Metrics and Health Indicators
  • Exposing Spring Boot Actuator endpoints
  • Custom Metrics
  • Health Indicators
  • Creating custom Health Indicators
  • External monitoring systems