##Sonar Keycloak Plugin

this property must be set to true

sonar.authenticator.createUsers=true

enable Keycloak plugin

sonar.security.realm=keycloak

#####PLUGIN PROPERTIES

Copy the keycloak.json and paste as value for sonar.keycloak.json, removing the new lines, as can be seen here

sonar.keycloak.json={ "realm": "demo", "realm-public-key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjZ1tsS98VEvcoMXm5HpTlWwHCETjjf1jy3ghZw0UBiAkk60myeRb1LHO64H45b7Cfup8zdZVf67vcgYC4f60pYa0/no2RnsZyp785q4lmoxScmyaGlmSsX+6tg7gUqYx9VOnWsIuCLNoAto3JCM+9VxFMN2yG3q3240hzkPiskQIDAQAB", "auth-server-url": "http://localhost:8080/auth", "ssl-required": "external", "resource": "sonar", "credentials": { "secret": "70b6fff9-ec46-4ce3-b949-08a0528a3bf4" }}

Refer this blog for more detail