The full configuration reference is in the Self-Hosted Configuration page. This page is a quick-reference index of every key.
Top-level keys
server
storage
database
server_tls
acme
dns
call_home
Environment variable overrides
These environment variables always win over the YAML file:
Never store database passwords, storage keys, or proxy passwords in config.yaml. Use environment variables set in your systemd unit override or secrets manager.
