spring-boot
Articles tagged with spring-boot.
Keycloak with Spring Boot in Docker, Then Managed
Run Keycloak in Docker with a Spring Boot app, then move the same app to managed Keycloak without changing code.…
9 min read
JWT Token Lifecycle: Expiration, Refresh, and Revocation
JWT lifecycle guide: expiration, refresh token rotation per RFC 9700, Keycloak revocation, and Spring Boot resource server validation with zero…
11 min read
Protecting Your Applications with Keycloak: A Beginner’s Guide
Learn how to secure applications with Keycloak, map users to local databases, add custom claims, and validate JWTs in Spring…
9 min read
Spring Boot + Keycloak OAuth 2.0: The Complete 2026 Guide
The complete guide to securing Spring Boot 3.x apps with Keycloak using spring-security-oauth2-resource-server, JWT validation, and method-level security.
10 min read
Migrating from Legacy Keycloak Spring Boot Adapters
Step-by-step guide to migrating from deprecated Keycloak Spring Boot adapters to Spring Security native OAuth2/OIDC support in your Java applications.
8 min read
Secure React API Access Using Keycloak (OIDC + PKCE)
Learn how to secure React API access with Keycloak using OIDC Authorization Code Flow and PKCE for browser-based single-page applications.
5 min read
Using Custom User Attributes in Keycloak OIDC Tokens
Learn how to add custom user attributes to Keycloak OIDC tokens and map them to your client application. Includes Spring…
4 min read
Keycloak Token Validation for APIs
Learn how to validate Keycloak tokens for API security using local JWT verification, token introspection, and framework integrations.
10 min readStay ahead on identity & security
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