[FEAT] Add healthcheck to image

[anlar]

Is this a new feature request?

• I have searched the existing issues

Wanted change

Jackett expose /health API endoint to check its state.

Reason for change

Out-of-box container health status.

Proposed code change

healthcheck:
  test: ["CMD", "curl", "-fs", "http://localhost:9117/health"]
  interval: 10s
  timeout: 5s
  retries: 5
  start_period: 5s

[thespad]

We do not include healthchecks in our images or examples because they are a matter of personal preference and not applicable to all containers. As you have demonstrated, it is trivial to add healthchecks to your own containers via docker compose.