You can use this module as dependency in your own modules.

<dependency>
	<groupId>io.github.johnjcool</groupId>
	<artifactId>keycloak-cas-services</artifactId>
	<version>4.8.3.Final</version>
</dependency>

1. Download keycloak version from https://www.keycloak.org/
2. Download corresponding keycloak-cas-services version from maven central
3. Copy keycloak-cas-services-.jar to <KEYCLOAK_INSTALLATION_DIR>/standalone/deployments
4. Start keycloak with <KEYCLOAK_INSTALLATION_DIR>/bin/standalone.<sh|bat>
5. Navigate to http://localhost:8080 and create an admin account

Start ready to use docker image:

docker run -p 8080:8080 -e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=xxxxxx johnjcool/keycloak-cas

1. Navigate to http://localhost:8080/auth/admin
2. Login with your admin credentials
3. Navigate to Themes Important!!! You have to do this on master realm
4. Switch Admin Console Theme to keycloak-extended
5. Signout
6. Login with your admin credentials
7. Navigate to Identity Providers
8. Add provider CAS
9. Configure CAS provider
10. Click Save
11. Navigate to Mappers to get Attributes from CAS
12. Configure Attribute Mapper for email, firstName, lastName
13. Signout and Central Authentication Service should be available

1. Login with your admin credentials
2. Navigate to Authetication
3. Click on Actions/Config for Identity Provider Redirector
4. Set Alias and Default Identiy Provider to cas
5. Signout and now you are automatically redirected to CAS for Login

Have fun!