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Isolating integration tests and mocking dependencies with Spring Boot

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Integration tests can be slow and unreliable because they depend on too many components in the system. Up to a certain point, this is unavoidable: integration tests are here to validate how each part of your system plays with other internal or external components. We can, however, improve some integration tests by only spinning up the required dependencies, instead of ...

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Dockerizing Spring Boot Application

Docker here, Docker there, I see Dockers everywhere In this post I will describe process of migrating Spring Boot application to Docker. We will start with modifying build file, then we will create Dockerfile so it could be run locally. Finally we will publish our image in DockerHub. Introduction A few months ago I have started new personal project called ...

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Pimp your config with configuration meta-data in Spring Boot

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There were many updates released in the Spring Boot 1.3.0 but one of them stood out to me because I was not aware of this before and the state it got to makes it one really useful feature (unfortunately available only in Spring Boot as of writing this). I am talking about configuration meta-data and the processing related to this ...

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Quick Web App Prototyping with Spring Boot & MongoDB

Back in one of my previous projects I was asked to produce a little contingency application. The schedule was tight and the scope simple. The in-house coding standard is PHP, so trying to get a classic Java EE stack in place would have been a real challenge. And, to be really honest, completely oversized. So, what then? I took the ...

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HOW-TO: Java 8 Date & Time with Thymeleaf and Spring Boot

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If you happen to work with Spring Boot and Thymeleaf and you need to format Java 8 Date & Time objects in your views you may utilize thymeleaf-extras-java8time – Thymeleaf module for Java 8 Date & Time API. Adding thymeleaf-extras-java8time to an existing Maven or Gradle based Spring Boot project is as easy as adding a dependency and registering new ...

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Spring Boot Oauth2 Security

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This post is an enhancement for my previous post which talks about how to secure your REST API using Spring security oauth2. In case if you missed it, here is the place to grab: http://blog.rajithdelantha.com/2015/09/secure-your-rest-api-with-spring.html Spring boot is one of the new inventions from Spring framework that makes developers’ lives easier when building large scale applications. Here is a good ...

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