updated admin credentials

keycloak/docker-compose.yaml

@@ -23,8 +23,8 @@ services:
         DB_USER: keycloak
         DB_SCHEMA: public
         DB_PASSWORD: ${POSTGRES_PASSWORD}
-        KEYCLOAK_USER: admin
-        KEYCLOAK_PASSWORD: ${KEYCLOAK_PASSWORD}
+        KEYCLOAK_ADMIN: admin
+        KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_PASSWORD}
         KC_HOSTNAME: localhost
       ports:
         - 8080:8080