The internal name of the product is exch, like its production server.
Paths, the Compose project, the Docker network, raft node ids and the
transit seal key and policy use it before the first rollout, so nothing
has to be renamed once data exists.
Two nodes on exch and one on infra-gamma, plain Compose per server, ports
on the private addresses only. Nodes unseal through the transit seal on the
platform Vault; the transit token reaches only the server process.
make prod-images resolves the latest stable Vault release once and pins its
digest in ignored .local/prod/images.env, so every node runs the same build.
infra/prod/README.md records the layout, the first rollout, node
replacement and recovery when the platform Vault is lost (#74).
protuberanets