Module server 

Axum HTTP server implementing the Nix binary cache protocol.

Endpoints:

• GET /nix-cache-info — cache metadata
• GET /{hash}.narinfo — narinfo metadata
• PUT /{hash}.narinfo — upload narinfo
• GET /nar/{path} — download NAR blob
• PUT /nar/{path} — upload NAR blob

Structs

AppState

Shared application state for all handlers.

Functions

build_router

Build the axum router for the binary cache server.

serve

Start the cache server and listen for connections.