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| == Installation == | | == Installation == |
| Since 2017, hydra is available as a NixOS module and therefore a full deployment can be enabled as easy as
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| <syntaxHighlight lang=nix>
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| services.hydra = {
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| enable = true;
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| hydraURL = "http://localhost:3000"; # externally visible URL
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| notificationSender = "hydra@localhost"; # e-mail of hydra service
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| # a standalone hydra will require you to unset the buildMachinesFiles list to avoid using a nonexistant /etc/nix/machines
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| buildMachinesFiles = [];
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| # you will probably also want, otherwise *everything* will be built from scratch
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| useSubstitutes = true;
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| };
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| </syntaxHighlight>
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| The module will automatically enable postgresql if you do not change the <code>services.hydra.dbi</code> option. Database layout will be created automatically by the hydra service, however keep in mind that some state will be stored in the database and a complete stateless configuration is currently not possible - do your backups.
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| * See nixos-option or the [https://search.nixos.org/options?query=services.hydra Nixos Options page] for all options
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