actions-marketplace-validations/Nix Distributed Builder Setup

Set up Nix, maximize runner disk space, and connect to Tailscale for distributed building

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Activelast commit Apr 10, 2026
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MIT

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workflow.ymlSHA-pinned
uses: actions-marketplace-validations/misaka13514_setup-distributed-nix-builds@22968564322c881609bcb30586fd98ed4f05a809 # no releases — HEAD as of 2026-07-10

tags can be moved; commit SHAs can't. why a SHA?

namedescriptionrequireddefault
tailscale_authkeyTailscale OAuth client secret or Auth Keyyes
tailscale_hostnameHostname to register with Tailscaleyes
tailscale_tagsTags to advertise to Tailscale (e.g. tag:nix-ci-builder)yes
roleRole of the current job: "builder" or "coordinator"yesbuilder
buildersSpace separated list of full builder hostnames to wait for. Required if role is coordinatorno""
builder_timeoutMaximum time (in seconds) the builder should wait before self-terminatingno300
extra_nix_configExtra Nix configuration to append to /etc/nix/nix.confno""

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