prefect backend server

prefect server start

from prefect import task, Flow, Parameter

@task(log_stdout=True)
def say_hello(name):
    print("Hello, {}!".format(name))

with Flow("My First Flow") as flow:
    name = Parameter('name')
    say_hello(name)

flow.run(name='world') # "Hello, world!" 
flow.run(name='Marvin') # "Hello, Marvin!"

register

prefect backend server

$ prefect diagnostics
{
  "config_overrides": {},
  "env_vars": [],
  "system_information": {
    "platform": "Darwin-18.7.0-x86_64-i386-64bit",
    "prefect_backend": "server",
    "prefect_version": "0.13.6",
    "python_version": "3.7.6"
  }
}

from prefect import config
print(config.backend)

prefect backend server