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zitadel/apps/docs/content/sdk-examples/java.mdx
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d8ea041c56 docs: introduce versioned docs and migrate to fuma (#11166)
## Todos for release

- [x] Configure Env in docs project on vercel
- [x] Configure Root Path in the docs project on vercel
- [ ] Remove old CSP https://github.com/zitadel/website/pull/1592

## What we did

This pull request migrates the project documentation from the old
`docs/` directory to the new `apps/docs/` directory, introduces a new
documentation system built with Next.js and Fumadocs, and updates all
relevant references, configuration files, and documentation to reflect
this change. It also adds new configuration and ignore files for the new
documentation app, updates CI and linting to exclude the new docs from
certain checks, and revises the contributing guidelines accordingly.

**Documentation System Migration and New Docs App**

* Migrated all documentation from `docs/` to `apps/docs/`, and updated
all references in `README.md`, `CONTRIBUTING.md`, and other files to
point to the new location.
[[1]](diffhunk://#diff-eca12c0a30e25b4b46522ebf89465a03ba72a03f540796c979137931d8f92055L585-L640)
[[2]](diffhunk://#diff-eca12c0a30e25b4b46522ebf89465a03ba72a03f540796c979137931d8f92055L660-R607)
[[3]](diffhunk://#diff-eca12c0a30e25b4b46522ebf89465a03ba72a03f540796c979137931d8f92055L740-R687)
[[4]](diffhunk://#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5L2-R3)
[[5]](diffhunk://#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5L30-R30)
* Added a new Next.js/Fumadocs-based documentation app under
`apps/docs/`, including core app files, layouts, routing, search API,
and a comprehensive `README.md` with development and contribution
instructions.
[[1]](diffhunk://#diff-5a1b07344a2c1b4d3f37b23ff1388b62cd9f57dea3c1cd23d8a0412b7602b132R1-R74)
[[2]](diffhunk://#diff-462b9ad1eabbb7d1c29bb9c36e4931eb180fd7190900e6d2babf8f4d66ad1c28R1-R39)
[[3]](diffhunk://#diff-e16ae25660ded787b10ac35dea96d5ecaacf895dae0afc8a9bd4382dc79a8c87R1-R7)
[apps/docs/app/[[...slug]]/layout.tsxR1-R81](diffhunk://#diff-59e08acde4e805b7aeccef1dcf98f1d71dfc550777e6b9402085cee0e9fa4e0aR1-R81),
[apps/docs/app/[[...slug]]/page.tsxR1-R79](diffhunk://#diff-e5df3f80d0fa01e12d63d81f29c57a9d14e846c78fd3beabb2ef768e38fd9580R1-R79),
[[4]](diffhunk://#diff-389b34918e040cacaa87cd7201ffa462cc2b0b716736f537e3d3c660ac69353bR1-R7)
[[5]](diffhunk://#diff-d3b03416d1c457b19f1c27b26f2db741412df841b875c26ccadc36e4522247f4R1-R29)
[[6]](diffhunk://#diff-c8fb8339570a5305809be7c618e14705fd86390dc278e6ce8ba224a7bc8b0c3cR1-R25)

**Configuration and Tooling Updates**

* Updated `.github/workflows/codeql.yml`, `.golangci.yaml`, and
`.github/dependabot.yml` to properly handle the new docs app: excluded
`apps/docs` from certain checks, added npm dependency updates for the
docs app, and excluded generated content.
[[1]](diffhunk://#diff-12783128521e452af0cfac94b99b8d250413c516ec71fe6d97dbea666ff7ba27L8-R14)
[[2]](diffhunk://#diff-9917ddc9f1c3304218f7269265b746d997c5c0615478177b5fceecd33ef47cb5R5-R6)
[[3]](diffhunk://#diff-9917ddc9f1c3304218f7269265b746d997c5c0615478177b5fceecd33ef47cb5R126-R129)
[[4]](diffhunk://#diff-dd4fbda47e51f1e35defb9275a9cd9c212ecde0b870cba89ddaaae65c5f3cd28R89-R106)
* Updated `.devcontainer/devcontainer.json` to use the latest Go 1.25.3
version for consistency.

**Licensing and Miscellaneous**

* Added `apps/docs/` to the list of licensed directories in
`LICENSING.md`.

These changes ensure the documentation is now maintained in a modern,
scalable system and all project tooling is updated to support the new
structure.

---------

Co-authored-by: Federico Coppede <[email protected]>
2026-01-29 08:38:36 -08:00

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---
title: Java Spring Boot
sidebar_label: Java Spring Boot
---
<table>
<tr>
<td width="100px">
<img width="100px" src="/docs/img/tech/java.svg" alt="java logo"/>
</td>
<td>
<a href="https://www.java.com/" target="_blank">Java</a> is a general-purpose programming language designed for object-oriented programming.
<a href="https://spring.io/projects/spring-security/" target="_blank">Spring Security</a> is used to protect your applications from unauthorized access, protect sensitive data, and enforce access control policies.
Get started integrating authentication to your Java Web App or API by checking out our <a href="https://github.com/zitadel/zitadel-java" target="_blank">zitadel-java</a> Example
</td>
</tr>
</table>
### Resources
- [Example App Repository with Spring Security](https://github.com/zitadel/zitadel-java)
- [Example Web App with Spring Security](https://github.com/zitadel/zitadel-java/tree/main/web)
- [Example API App with Spring Security](https://github.com/zitadel/zitadel-java/tree/main/api)
- [Web APP Step-By-Step Guide](/examples/login/java-spring)
- [API APP Step-By-Step Guide](/examples/secure-api/java-spring)
### Java SDK
Java Spring Security is a widely used and common framework to integrate Authentication and Authorization into your Applications.
As of this at the moment there is no specific ZITADEL SDK, but we do show you how to integrate ZITADEL with Java Spring Security.
You can use this for both your Web as for your API Applications.
The following features are covered by Java Spring Security:
- Authenticate your user using OIDC
- Requesting ZITADEL userinfo endpoint to get user data
- Refresh Token
- Requesting User Roles from userinfo
- Check if user has specified role
- Logout
The goal is to have a ZITADEL Java SDK in the future which will cover the following:
- Wrapper around Java Spring Security
- Authentication with OIDC
- Authorization and checking Roles
- Integrate ZITADEL APIs to read and manage resources
- Integrate ZITADEL Session API to create your own login UI
### Java Examples
#### Web Application Example
What does the Web Application Example include:
- Home Page with Login Button
- Authenticating user with OIDC PKCE Flow
- Public Page: Accessible without authentication
- Private Page: Shows user information of authenticated user, only accessible after login
- Task Page: Only accessible after login and uses the API example. Requires the administrator role for the application for some interaction.
- Logout
[Example Web App with Spring Security](https://github.com/zitadel/zitadel-java/web)
#### API Application Example
What does the API Application Example include:
- REST API Application secured with Spring Security and OAuth2
- Public Endpoint: Accessible without authentication
- Private Endpoint: Accessible with a token
- Administrator Endpoint: Accessible with a token of a user with an administrator role
[Example API App with Spring Security](https://github.com/zitadel/zitadel-java/api)
### Step-By-Step Guide
For Java Spring we do have two different Step-By-Step Guides.
One to create your web application with integrated login and one to create your API with permission checks for calling users.
The guides lead you through the whole process from configuring the right application in ZITADEL to a ready application with integrated login or authentication checks.
#### Web Application Guide
After completing the Step-By-Step Guide, you will have:
1. Example Web Application with integrated ZITADEL Login
2. Example page accessible by authenticated user showing retrieved user information
3. Example page accessible by an authenticated user showing a task list
- Task list can be read by an authenticated user
- New tasks can be created by a user with an administrator role
4. Logout
5. Correct setup for your application in ZITADEL
[Web APP Step-By-Step Guide](/examples/login/java-spring)
![](../../public/img/java-spring/app-profile.png)
#### API Application Guide
After completing the Step-By-Step Guide, you will have:
1. Example REST API checking tokens against ZITADEL with OAuth2
2. Public Endpoint accessible by any user
3. Private Endpoint accessible by authenticated user
4. Private Endpoint accessible by the user with the role 'admin'
5. Correct setup for your application in ZITADEL
[API APP Step-By-Step Guide](/examples/secure-api/java-spring)