Build once. The whole org reuses it.
buildbarn is remote build execution and cache in-a-box: you own an EKS cluster, apply a CloudFormation stack, and helm install. Actions are content-keyed and shared across the org — reproducible, or it isn't cached.
available
RBE + cache where you only own an EKS clusterOne CloudFormation stack + helm installA shared content-addressed cache across the orgExec image in lockstep with the worker — honest cache keysPrometheus-observed; a live Builds panel in the console
The //platforms:rbe exec-property container-image must match the worker's action image — or the cache key is dishonest. Correctness is a lockstep invariant, not a tuning knob.
buildbarn · honest cache keys
One graph, from source to build.
buildbarn RBE is one of 6 services in the tbzl.dev source & build layer — open at the edges, yours at the core.