Self-hosted: SSO is failing to setup due to 400 from admin

(#603) Bug Fixed self-hosting

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Comment by @frenzeldk
RexSystem 1 vote edited originally by @frenzeldk on GitHub
@kerichdev it is not at all obvious, but your issuer host name has to resolve to a public IP. If your IDP is reachable through a public IP you can achieve this by adding the following to your docker-compose.yml file:
⋮
api:
  extra_hosts:
    - "idp.example.com:<PUBLIC_IP>"