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Spring Boot with the Justice League

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Dark times are ahead for the Justice League with the formidable Darkseid coming over to conquer human kind. Batman with the help of Wonder woman are on a quest to get the league together with one critical aspect missing. A proper Justice league member management system. As time is not on their side, they do not want to go through ...

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Simple Spring Boot Admin Setup

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Spring Boot Admin is a cool dashboard for monitoring your spring boot applications. However, setting it up is not that trivial. The documentation outlines two options: Including a client library in your boot application that connects to the admin application – this requires having the admin application deployed somewhere public or at least reachable from your application, and also making ...

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Spring Boot Web Slice test – Sample

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Spring Boot introduced test slicing a while back and it has taken me some time to get my head around it and explore some of its nuances. Background The main reason to use this feature is to reduce the boilerplate. Consider a controller that looks like this, just for variety written using Kotlin. @RestController @RequestMapping("/users") class UserController( private val userRepository: UserRepository, private val ...

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Testing Spring Data + Spring Boot applications with Arquillian (Part 2)

In previous post, I wrote about how to test Spring Data application using Docker with Arquillian Cube. The test looked like: @RunWith(SpringRunner.class) @SpringBootTest(classes = PingPongController.class, webEnvironment = RANDOM_PORT) @ContextConfiguration(initializers = PingPongSpringBootTest.Initializer.class) public class PingPongSpringBootTest { @ClassRule public static ContainerDslRule redis = new ContainerDslRule("redis:3.2.6") .withPortBinding(6379); @Autowired TestRestTemplate restTemplate; @Test public void should_get_pongs() { // given restTemplate.postForObject("/ping", "pong", String.class); restTemplate.postForObject("/ping", "pung", String.class); // when final List<String> ...

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Testing Spring Data + Spring Boot applications with Arquillian (Part 1)

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Spring Data’s mission is to provide a familiar and consistent, Spring-based programming model for data access while still retaining the special traits of the underlying data store. It provides integration with several backend technologies such as JPA, Rest, MongoDB, Neo4J or Redis to cite a few. So if you are using Spring (Boot) then Spring Data is the right choice to deal ...

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Spring Boot, @EnableWebMvc And Common Use-Cases

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It turns out that Spring Boot doesn’t mix well with the standard Spring MVC @EnableWebMvc. What happens when you add the annotation is that spring boot autoconfiguration is disabled. The bad part (that wasted me a few hours) is that in no guide you can find that explicitly stated. In this guide it says that Spring Boot adds it automatically, ...

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Auto-Publishing & Monitoring APIs With Spring Boot

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If you are heading down the path of a Microservices style of architecture, one tenant you will need to embrace is automation. Many moving parts are introduced with this style of architecture. If successful, your environment will have a plethora of service APIs available that the enterprise can consume for application development and integration. This means that there must be ...

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