For use this you need to have Discord Provider to your keycloak.
REALM=Master
SERVER_URL=https://keycloak.yourUrl.com/auth
CLIENT_ID=my-client
CLIENT_SECRET=mySecret
KEYCLOAK_USERNAME=my-admin
KEYCLOAK_PASSWORD=admin
DISCORD_TOKEN=myToken
GUILD_ID=00000000000000
Dont change the comment on the keycloak role, the comment is use to find role create by the script