Start Keycloak
From a terminal, enter the following command to start Keycloak:
docker run -p 127.0.0.1:8080:8080 -e KC_BOOTSTRAP_ADMIN_USERNAME=admin -e KC_BOOTSTRAP_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak:26.3.2 start-dev
This command starts Keycloak exposed on the local port 8080 and creates an initial admin user with the username admin and password admin.