// Builds the Docker image ---> successful
def flywayImage = docker.build("myFlyway", "-f ${WORKSPACE}@script/docker/Dockerfile_flyway ${SQL_TARGET_PATH}")

docker.withServer(dockerServer, dockerCredentials) {
    // This doesn't work...
    docker.image(flywayImage).run("""
        --rm
        --network=db-net
        -url=jdbc:mariadb://host/db
        -table=schema_version
        -user=db_user
        -password=db_pass
        -connectRetries=60
        info
    """)
}

groovy.lang.MissingMethodException: No signature of method: org.jenkinsci.plugins.docker.workflow.Docker.image() is applicable for argument types: (org.jenkinsci.plugins.docker.workflow.Docker$Image) values: [org.jenkinsci.plugins.docker.workflow.Docker$Image@435f5bf3]