Keycloak Custom SPI and Database Extensions: Adding Your Own Tables 1/2

In this story, we’ll move beyond the basics and dive deep into the advanced world of extending Keycloak.

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· Prerequisites
· Overview
· Understanding Keycloak SPIs
∘ What is an SPI?
∘ Why Use an SPI Instead of Custom Code?
∘ SPIs for Database Extensions
· Let’s code
∘ Use Case Example: Subscriptions
∘ Project Setup
∘ Creating a Custom Entity (New Table)
∘ Integrating Liquibase for Database Migration
∘ Registering the Entity with Keycloak
· Deploying the Custom SPI (Provider + Factory) in Keycloak
∘ Build the JAR
∘ Copy the JAR into Keycloak
∘ Verifying Deployment in the Logs
· Conclusion
· Additional Readings
· References

Prerequisites