Search before asking

• I had searched in the issues and found no similar feature requirement.

Description

• Currently metrics in standalone mode are not collected by prometheus, we could add some configurations so that developers / users could experience ds metrics feature more conveniently.

• dolphinscheduler/dolphinscheduler-meter/src/main/resources/grafana-demo/prometheus.yml

  Lines 18 to 31 in 3258438

  	global:
  	scrape_interval: 15s
  	evaluation_interval: 15s
  	rule_files:
  	scrape_configs:
  	- job_name: 'DolphinScheduler'
  	metrics_path: '/actuator/prometheus'
  	scrape_interval: 5s
  	static_configs:
  	- targets:
  	- 'host.docker.internal:5679' # Change the address to the address of DolphinScheduler master server
  	- 'host.docker.internal:1235' # Change the address to the address of DolphinScheduler worker server
  	- 'host.docker.internal:50053' # Change the address to the address of DolphinScheduler alert server
  	- 'host.docker.internal:8080' # Change the address to the DolphinScheduler standalone server

Use case

• Already described above.

Related issues

related: #9324

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct