Tag: Spring-Boot
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Spring-Boot – Custom Actuator
Let say you need a specific actuator for your Spring-Boot backend. This small post show you how to extend the interface HealthIndicator to create your custom actuator. First you’ll have implement the HealthIndicator interface: Now you will try to make your custom actuator load at the start of you application, here is the “auto-configuration” you…
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Spring-Boot 3 – register an OIDC token provider
Let say you have a Spring-Boot application and you need a token in order to authenticate/authorize a call made by your application targeting another app. Since Spring-Boot 3, and Spring 6, the spring-security packages handle the OIDC mechanism with built-in code. Also their is a common part in registration of OIDC provider used to authenticate/authorize…
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Spring 6 – Oauthenticated http call
Let’s say you have a Spring backend app, and you need to make some http(s) call from that backend to any web-service you want without configuring a global WebClient. Doing that you’ll face three possibly to authenticate your http call: – forward the token of the current user; – get a new token to authenticate…
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Spring – BeanPostProcessor
BeanPostProcessor is a factory hook that allows the Spring framework to customize and modify Bean instances when they are newly created. For example: by checking it’s marked interface or using a proxy to wrap it. The application context will automatically detect BeanPostProcessors from the Bean definition and apply them to any beans created subsequently. On…
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Spring Boot 3 – multitenant OIDC with Keycloak
Naturally Spring Security 3 allow you to do some kind of multi-tenant autentication, but you can’t use more than one OIDC tenant. Let say you are building a Spring Boot App with Spring-Boot 3.x.x and you use Keycloak as OpenID Connect provider, ans you need to validate some tokens from more than one OIDC tenant.…
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How to: Spring-Boot 2.x.x Hibernate 5.x.x EhCache 3.x.x
This post is the very short sumup of how to setup and run Hibernate L2 Cache, with EhCache 3. A version of the full documentation is here Hibernate 5.6 – Cache Since Spring-boot 2.x.x use EhCache 3.x.x to serve the caching features of Spring, and Hibernate 5.x.x use EhCache 2.x.x as cache engine to provide it’s…