Main use-case for me is to specify `-config.expand-env=true` which allows me inject secrets via systemd's environment file mechanism[1] like this: storage.trace.s3 = { /* all the other stuff */ secret_key = "\${GARAGE_SECRET_KEY}"; }; [1] https://grafana.com/docs/tempo/latest/configuration/#use-environment-variables-in-the-configuration |
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tempo.nix |